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1 PREVIOUS BOARD QUESTION MEMBERS OF THE BOARD 1. ARIODEAR C. RICO (CHAIRMAN) 2. JUANA T. TAPEL (MEMBER) 3. SHERWIN O VALDEZ (MEMBER) The sun as the ultimate energy source  The sun is the ultimate source of energy inasmuch as all energy comes from it  Sunlight produces wind by uneven heating of the Earth surface, photosynthesis produces biomass, biomass produces oil, heat causes evaporation, evap. produces hydro energy, etc.  at Earth’s ground surface, solar power or irradiance is about 1,000 watts/m2  In the Phils. & most of southeast Asia, daily solar energy or insolation is about 5 kwh/m2 or 1,000 watts/m2 solar power x 5 hours average sensible sunlight per day  energy systems utilizing solar resource is so far low in efficiency, 8-12% typically GOOD SITES FOR DAMS 1. Supported by vegetated watershed of large river 2. Outlet of large drainage basin 3. Narrow but deep water channel 4. No rock formation 5. Clay soil 6. No presence of expanding clay 1. any legal restriction or limitation on quantities, rates, and/or concentrations or any combination thereof, of physical, chemical or biological parameters of effluent which a person or point source is allowed to delivery into a body of water or land Answer: effluent standard 2. Filling of biogas chamber with water and saturate overnight (PAES) Answer: Water tightness test 3. plant used to process animal wastes or manure to produce biogas and sludge consisting of an inlet/mixing tank, digester, gas chamber and outlet/sludge tank Answer: biogas plant 4. chamber where manure and water are collected, stored and separated from heavy and non- biodegradable materials before feeding them into the digester Answer; collecting tank 5. any water and air tight container designed for the process of anaerobic microbiological degradation of organic matter into which the slurry is introduced for digestion and methanization Answer: digester 6. cantilever beam that holds the gasholder/movable cover in position at the desired biogas pressure Answer: gasholder retainer 7. space inside or outside the digester for the collection and storage of biogas Answer: gas chamber 8. layer of compacted soil and gravel to support the digester wall Answer: backfill 9. average period that a given quantity of slurry is retained in the digester for digestion Answer: retention time 10. materials that inhibit the normal growth of pathogens in the digester such as mineral ions, heavy metals and detergents Answer: toxic materials 11. various processes that take place among the methanogens, non-methanogens and substrates fed into the digester as inputs Answer: methanization 12. anaerobic bacteria that act upon organic materials and in the process, produce biogas Answer: methanogens 13. mixture of gas (composed of 50 to 70 percent methane and 30 to 40 percent carbon dioxide) produced by methanogenic bacteria Answer: biogas 14. Increase product efficiency and decrease hazard Answer: Environmental management 15. Used in agriculture where things are sustained 2 Answer: Sustainable agriculture 16. Dries quickly for interior walls, woods, used w/ thinner Answer: Quick drying enamel 17. Temperature for weaner (PAES) Answer: 30oC 18. Part of old farmstead where vehicles park Answer: alley 19. Distance between slaughterhouse and commercial buildings, roads , etc. (PAES) Answer: 200 20. Moisture gradient of corn and rice in mechanical dryer (PAES) Answer: 2% 21. Length between trusses Answer: clear span 22. Commonly used refrigerant but toxic and flammable but has excellent thermal properties Answer: ammonia 23. Causes fluctuations in voltage (Tambong) Answer: armature 24. Mechanical device used to force on system Answer: pump 25. How to increase entropy? Answer: Dissolving salts in water 26. Contains less than or equal to 20% longitudinal streaks (PAES) Answer: Well-milled rice 27. Constant enthalpy Answer: isenthalpic 28. The ratio of convection heat transfer to fluid conduction heat transfer under the same conditions Answer: Nusselt number 29. The ratio between the buoyancy force due to spatial variation I fluid density (cause by temperature differences) to the retraining force due to the viscosity of fluid Answer: Grashof number 30. The ratio of inertial forces to viscous forces. A dimension less number use to categorize the fluids system in which the effect of viscosity is important in controlling the velocities or the flow patern of fluid Answer: Reynolds number 31. Used to prevent overheating between devices Answer: coolant 32. Measures air in concrete and mortar Answer: air meter 33. Heating of earth Answer: global warming 34. What is the electrical energy consumption of a 15-kW vermicast production shredder plugged in a 220-V source if it requires 2 hrs to shred 1.5 tonnes of farm waste? Answer: 0.02 kW-h/kg 35. Lagoon without oxygen Answer: Anaerobic lagoon 36. Which should be done first in wind projects (Tambong) Answer: Wind velocity measurement 37. Aerogenerator exceeding 100 kW capacity is responsible in converting rotational movement to electricity (Tambong) Answer: armature 38. Coverts DC to AC Answer: inverter 39. Alley for vehicles in cattle feedlot Answer: 3m 40. Percent purity in sampling method Answer: 98% 41. Parallel to rotation (PAES) Answer: Cylinder cutterhead 42. Used to hold purlins and rafters Answer: cleats 43. Standard thickness of rectangular ditch (PAES) Answer: o.15m 44. Standard thickness of concrete of trapezoidal ditch w/ riprap (PAES) 3 Answer: 0.25m 45. Lighting of goat and sheep house (PAES) Answer: 200lux 46. With perforated cylinder (PAES) Answer: Friction type whitener 47. Used to record real time data Answer: timer 48. Ratio of the drawbar power developed by the machine to the axle power Answer: mechanical efficiency 49. Head agency of AFMech in terms of Research, Development and Extension Network Answer: PhilMech 50. Air chamber under pressure usually converted to one or more distributing ducts in a drying or aeration system Answer: plenum 51. PAES 404:2001; Housing for goat and sheep, housing shall be provided with lighting intensity of Answer: 200lux 52. PAES 411:2000; Slaughter house for swine, small and large animals. The slaughter house shall be located farm from any used for human habitation, and from any factory, public road or public place at a distance of at least ____ meters and should be free from dust, odor, smoke, and other contamination Answer: 200 53. PAES 401:2001; Housing for Swine Production; heat requirement for weaners: Answer: 30oC 54. A kind of IC included as an important part of electronic instrument for gathering speed, velocity and discharge real-time data. Answer: timer 55. What is the specific measure of pitot-tube? Answer: total head 56. Field capacity is the moisture content of the soil when the gravitational water has been remove. It corresponds to a soil moisture tension of ____ bar. Answer: 1/3 57. Type of precipitation associated with the movement of air masses from high pressure to low pressure region? Answer: cyclonic precipitation 58. A porous geologic formation that capable of storing and transmitting water at sufficient quantities that permit economic development Answer: aquifer 59. The scientific study of diseases and viruses Answer: pathology 60. Surveying bodies of water for purposed navigation, water supply or subaqueous Answer: hydrographic surveying 61. Instrument that measures relative humidity Answer: hygrometer 62. The amount of water withdrawn from irrigation and effective rainfall through evaporation from soil and water surfaces and transpiration from plants. Answer: evapotranspiration 63. Lateral subsurface water movement Answer: seepage 64. It is the ratio between the water delivered to the farm and water delivered from a source? Answer: water conveyance efficiency 65. A male or female ox under a year old? Answer: calf 66. The hydrograph with a unit volume of direct runoff for a given duration? Answer: unit hydrograph 67. Farming aquatic organisms, freshwater and saltwater organisms including mollusks, crustaceans and aquatic plants? Answer: aquaculture 68. Type of soil composed of 86% sand, 10% clay and 4% loam. Answer: sandy clay loam 69. “Zero” is what kind of number? Answer: integer 70. Rock has the highest bearing capacity compared to clay, loam and clay loam. 4 71. Refers to the layer of the specified or selected material of designated thickness in a pavement structure immediately above the sub-grade and below the base course Answer: sub-base course 72. What agricultural machinery usually sold in the Philippines Answer: power tiller 73. The power rating classification for the four wheel standard light tractor Answer: 32 to 49hp 74. Part of the rice thresher which encloses the threshing cylinder and allows the separation of the grain from the panicle. Answer: concave 75. Define as the power required in pulling an implement Answer: drawbar 76. Power driven that can be found at the rear of the tractor to propel power implement. Answer: PTO 77. Process in which farmer looks ahead to the future and countermeasures alternatives courses of action for the farm. Answer: farm planning 78. Law dealing with the mechanization of agriculture and fisheries Answer: RA No. 10601 79. What is API stands for? Answer: American Petroleum Institute 80. Point at which specific volume of sales which a firm neither makes nor losses money Answer: break-even-point 81. Reduction in the value of a material Answer: depreciation 82. Rice thresher recovery Answer: 97% 83. Type of tillage traditionally performed Answer: conventional tillage 84. a geologic formation that will yield water to a well in sufficient quantities to make the production of water from this formation feasible for beneficial use; permeable layers of underground rock or sand that hold or transmit groundwater below the water table Answer: aquifer 85. use of the environment or any element or segment thereof conducive to public or private welfare, safety and health; and shall include, but not be limited to, the use of water for domestic, municipal, irrigation, power generation, fisheries, livestock raising, industrial, recreational and other purposes. Answer: beneficial use 86. Rate at which organisms use the oxygen in water or wastewater while stabilizing decomposable organic matter under aerobic conditions. BOD measurements are used as a measure of the organic strength of wastes in water; the greater the BOD, the greater the degree of organic pollution. Answer: Biological Oxygen Demand (BOD) 87. a way of redesigning products and product systems so that they are in harmony with natural ecological cycles Answer: clean production 88. A type of bacteria. The presence of coliform-group bacteria is an indication of possible pathogenic bacteriological contamination. The human intestinal tract is one of the main habitats of coliform bacteria. Coliform may also be found in the intestinal tracts of warm-blooded animals, and in plants, soil, air, and the aquatic environment. Fecal coliforms are those coliforms found in the feces of various warm-blooded animals. Answer: Coliform 89. discharges from known sources passed into a body of water or land, or wastewater flowing out of a manufacturing or industrial plant, or from domestic, commercial and recreational facilities Answer: effluent 90. water containing less than 500 ppm dissolved common salt, sodium chloride, such as that in groundwater, rivers, ponds, and lakes Answer: freshwater 91. a subsurface water that occurs beneath a water table in soils and rocks, or in geological formations Answer: groundwater 92. inflow to a groundwater reservoir Answer: Groundwater recharge 93. An aquifer or aquifer system in which groundwater is stored. The water may be placed in the aquifer by artificial or natural means. Answer: Groundwater reservoir 5 94. Natural pathway water follows as it changes between liquid, solid, and gaseous states. This biogeochemical cycle moves and recycles water in various forms through the ecosphere. (Also called the water cycle.) Answer: Hydrologic cycle 95. microorganisms, such as coliforms, whose presence is indicative of pollution or of more harmful microorganisms Answer: Indicator organisms 96. Water containing contaminants which leaks from a disposal site such as a landfill or dump. Answer: leachate 97. any source of pollution not identifiable as point source to include, but not be limited to, runoff from irrigation or rainwater which picks up pollutants from farms and urban areas Answer: Non-point source 98. water available per person per year Answer: Per Capita Water Availability (per year) 99. any identifiable source of pollution with specific point of discharge into a particular water body Answer: point source 100. a river, stream, lake, ocean, or other surface of groundwater into which treated or untreated wastewater is discharged Answer: Receiving Water 101. refers to water entering an underground aquifer through faults, fractures, or direct absorption Answer: recharge 102. resource that potentially cannot be used up because it is constantly or cyclically replenished Answer: Renewable Resource 103. A pond, lake, tank, or basin (natural or human-made) where water is collected and used for storage. Large bodies of groundwater are called groundwater reservoirs; water behind a dam is also called a reservoir of water. Answer: reservoir 104. Area drained by a river and its tributaries. A principal river basin has a drainage area of at least 40 km2, while a major river basin has a drainage area of more than 1,400 km2 Answer: river basin 105. surface water entering rivers, freshwater lakes, or reservoirs Answer: runoff 106. All water which is open to the atmosphere and subject to surface runoff. Also defined as water that flows in streams and rivers and in natural lakes, in wetlands, and in reservoirs constructed by humans. Answer: surface water 107. Sum of all inorganic and organic particulate material. TDS is an indicator test used for wastewater analysis and is also a measure of the mineral content of bottled water and groundwater. There is a relationship between TDS and conductivity. People monitoring water quality can measure electrical conductivity quickly in the field and estimate TDS without doing any lab tests at all. Answer: TDS (total dissolved solids) 108. waste in liquid state containing pollutants Answer: wastewater 109. a term used to describe the chemical, physical, and biological characteristics of water with respect to its suitability for a particular use Answer: water quality 110. Regional basins drained by or contributing water to a particular point, stream, river, lake, or ocean. Watersheds range in size from a few acres to large areas of the country. Answer: watersheds 111. Upper level of a saturated formation where the water is at atmospheric pressure, or the upper surface of an unconfined aquifer. Answer: water table 112. water removed from the ground or diverted from a surface water source for use Answer: withdrawal 113. maximum limit to which water resources should be exploited through provision of storage- type dams for regulating flow in each region Answer: 50% Dependability 114. probability of hydrologic conditions by which the maximum capacity of water resources development projects under the run-of-the river type is usually determined Answer: 80% Dependability 115. water conservation structure to store water and to regulate water flow 6 Answer: dam 116. commonly used for irrigation/flood control; resists water by its weight Answer: gravity dam 117. supported by buttresses, commonly used for power generation Answer: buttress dam 118. deeply founded narrow dam, rare type of dam Answer: cantilever dam 119. earthquakes produced by sudden movement along faults and plate boundaries Answer: tectonic 120. earthquake produced by movement of magma beneath volcanoes Answer: Volcanic 121. linear/curved fractures on the earth’s surface produced by ground displacement Answer: fault 122. Fracture, fissure, or a zone of weakness where movement or displacement has occurred or may occur again. Answer: fault 123. Is defined as a fault that has moved within the last 10,000 years. Answer: Active fault 124. Giant sea wave resulting from the disturbance of ocean floor by an earthquake Answer: tsunami 125. It is a lagoon for fermenting diluted manure covered and lined with geomembrane to produce biogas while greatly reducing methane and carbon dioxide air emissions. Answer: covered lagoon 126. biogas generation under the lining due to geomembrane leakage Answer: whaling 127. applies engineering science and designs to the processes and systems involved in the sustainable production and processing of safe food, feeds, fiber, timber and other agricultural and biological materials and the efficient utilization, conservation and management of natural and renewable resources in order to enhance human health in harmony with the environment (Sec. 4a, R.A. No. 10915). Answer: Agricultural and BiosystemsEngineering (ABE) 128. RAED Answer: Regional Agricultural Engineering Division 129. 7 ADB - Asian Development Bank IEPC - Industrial Efficiency and Pollution Control AEIP - Asian Environmental Improvement Project IISE - Industrial Initiatives for a Sustainable Environment APO - Asian Productivity Organization IPCC - Industrial Pollution Control in Cebu BOD - Biochemical Oxygen Demand JICA - Japan International Cooperation Agency BFAR - Bureau of Fisheries and Aquatic Resources LGU - Local Government Unit BSWM - Bureau of Soils and Water Management LLDA - Laguna Lake Development Authority CEPZA - Cavite Export Processing Zone LWUA - Local Water Utilities Administration CDO - Cease and Desist Order MEIP - Metropolitan Environmental Improvement Project CPC - Certificate of Public Convenience MGB - Mines and Geosciences Bureau CP - Clean Production MCM - Million Cubic Meters DOST - Department of Science and Technology MIWD - Metro Iloilo Water District DTI - Department of Trade and Industry MWSS - Metropolitan Waterworks and DPWH - Department of Public Works and Sewerage System Highways MTPDP - Medium Term Philippine DILG - Department of Interior and Local Development Plan Government NWRB - National Water Regulatory Board DENR - Department of Environment and Natural Resources NCR - National Capitol Region DANIDA - Danish International Development NPC - National Power Corporation Agency OA - Organic Agriculture DAO - DENR Administrative Order PRRP - Pasig River Rehabilitation Program DOH - Department of Health POPs - Persistent Organic Pollutants DO - Dissolved Oxygen PNSDW - Philippine National Standards for DTI-BSMBD - Department of Trade and Industry Drinking Water - Bureau of Small and Medium Business PBE - Philippine Business for the Environment Development PRIME - Private Sector Participation in EMB - Environmental Management Bureau Managing the Environment EMS - Environmental Management Systems PEPP - Philippine Environment Partnership ENSO - El Niño – Southern Oscillation Program EUF - Environmental User’s Fee SA - Sustainable Agriculture SME - Small and Medium Enterprises 8 TDS - Total Dissolved Solids USEPA - US Environmental Protection Agency TSS - Total Suspended Solids VOCs - Volatile Organic Chemicals UNEP - United Nations Environment Program WB - World Bank UNICEF - United Nations Children Fund WHO - World Health Organization UNIDO - United Nations Industrial Development Organization 9 10 11 Drain spacing formula 2 4K(H 2 − D2 ) L = R 4K(H 2 − D2 ) q=R= L2 Where: L = drain spacing Q = drain discharge (L/T) H = elevation of the water table midway between the drains D = elevation of the water level in the drain R = rate of recharge per unit surface area K = hydraulic conductivity of the soil (m/day) 4K(H + D)(H − D) q= L2 H+D = h H-D = 2D+h h- is the height of the water table above the water level in the drain 8KDh + 4Kh2 q= L2 if water in the drain is negligible, 4Kh2 q= L2 If the impervious layer is far below drain level (D >> h) 8KDh q= L2 Thus, if the soil above drainage base has a different hydraulic conductivity (say K1) than the hydraulic conductivity of the soil below drainage base (say K2), and the drain level is at the interface between the two soil layers, 8K 2 Dh + 4K1 h2 q= L2 12 2019 recalled question: 1. Standard speed of PTO Answer: 1000rpm 2. Standard throttling adjustment of an engine Answer: ¾ 3. Gasoline flash point Answer: -45o F 4. Flash point of diesel Answer: 50oC 5. standard pressure of tire Answer: 30-60 psi 6. It shall consist of the removal and disposal of deposits of saturated or unsaturated mixtures of soils and organic matter not suitable for foundation material regardless of the moisture content. Answer: muck excavation 7. the minimum hours before removal of forms is Answer: 24 hours 8. A tractor must have a minimum forward pull velocity of Answer: 8kph 9. What is the light intensity needed in the slaughter house inspection area? Answer: 220 lux 10. What is the minimum wind design speed or wind gusts in constructing greenhouses? Answer: 250kph 11. What should be the height of the green house at the walk way or aisle? Answer: 2.5m 12. For an earth dam of 15 meters maximum height, what should be the width of the crown? Answer: 3m 13. In the acronym “BIGSHOW”, what does S stands for? Answer: solar BIGSHOW = Biofuel, geothermal, solar, hydro, oil, wind 14. Given: ET = 5 mm/day, P = 5 mm/day, 7-day requirement, irrigation period = 24 hours, Area = 500 hectares, Q = 100 L/hour. Determine the Irrigation Efficiency. Answer: 76.9% 15. Given: Area = 600 ha, wheel slip = 15%, wheel radius at hopper half-full = 38 cm, 10-row planter, spacing between row = 25 cm. At 60 rpm, 13.4 kg of seeds were collected per seed tube when 600 wheel rotation for 10 minutes. a. How many kilograms of seeds for the 600 rev of the GW? 13.4kg x Answer: = ;𝑥 = 15.76kg 600∗0.15 600 16. What instrument needed in measuring wind speed? Answer: anemometer 17. Type of Precipitation where a there is a lifting of warm air converging into a low pressure are. Answer: cyclonic precipitation 18. What is the throw of a sprinkler spaced 10m by 10m if there is a 50% overlap? Answer: 10 10 ∗ 0.5 19. The following are locally fabricated in the Philippines except: 13 Answer: small engine 20. Free water surface in the well to the free water surface on the suction pipe is: Answer: static head 21. A structure the supports only axial loadings is: Answer: column 22. If it is desired to have a maximum flow of water at any depth, the best canal cross-section to be used is the: Answer: trapezoidal 23. Saan gawa ang brand na ACME? Answer: Italy 24. Removes diseased plants Answer: roughing 25. What is the meaning of UCS in AutoCAD? Answer: User Coordinate System 26. What is Field Efficiency of Rice Combine? Answer: 75% 27. What are the plant spacing and row spacing required for rice? Answer: 15-20cm & 2-30cm 28. National Building Code enacted through? Answer: 1096 29. This rating is given to diesel fuels for their ability to burn without detonating as compared with the performance of reference fuels. Answer: cetane rating 30. National Building Code: How many percent is the window in a certain room. Answer: 10% 31. AE Road Map: one of the objective of AE Road Map is to produce _________ new registered and licensed agricultural engineers in the next 8 years. Answer: 10, 000 32. Weather disturbance is expected 18 hrs. Answer: PSWS #3 (Answer) 33. What is the color when it is stop in PAG-ASA? Answer: red Yellow means caution Green means go 34. What is the meat of goat? Answer: Chevon 35. What is the process of eliminating non-profitable or non-productive or undesirable individuals? Answer: culling 36. Piglets born in one farrowing Answer: litter 37. Laterals enter the submain from one side only to minimize the double drainage that occurs near the submain. 14 Answer: Gridiron layout ( 38. A type of terrace more common for mechanized farming systems on moderate slopes of 6 to 8 percent. Answer: Three-segment section broadbase 39. Stones are placed on rectangular wire mesh, piled-up as blocks and tied together to form a reinforced wall or dam structure. Answer: gabions 40. A hydraulic jump is a classic example of this type of flow Answer: rapidly varied flow 41. Water flowing at a constant rate through a conical pipe, what type of flow? Answer: Steady Non-uniform 42. The type of surveying in which the surface of the earth is considered as a plane, or in which its spheroidal shape is neglected, with regard to horizontal distances and directions. Answer: Plane Surveying 43. Are used to identify and map the contours of the ground and existing features on the surface of the surface of the earth or slightly above or below the earth’s surface. Answer: Topographic Survey 44. Is the science of measurement and description of features which affect maritime navigation, maritime construction, dredging, offshore oil exploration/offshore oil drilling and related activities. Answer: Hydrographic Survey 45. Precipitation results from mechanical lifting of air mass over mountain barriers. Answer: Orographic Rainfall 46. the property of the soil to transmit water and air Answer: soil permeability 47. the ability of soils to transmit water through its entire saturated thickness Answer: soil-water transmissivity 48. A quantitative measure of saturated soil’s ability to transmit water when subjected to a hydraulic gradient. Answer: hydraulic conductivity 49. The minimum methane content of biogas such that biogas-fueled generators will run Answer: 65% 50. What is the recommended dimension for 10,000 cavans? Answer: 10 x 30 m (Answer) 51. Linear Feeder Requirements for chicks below 4 weeks old. Answer: 4 m/100 birds (Answer) 15 52. Recommended length of feeding trough for 15-25 kg. Answer: 150 mm/animal (Answer) 53. Recommended Height for cattle not Brahman species. Answer: 1500mm 54. What is the study of the free convection of a fluid caused by a hot body Answer: Grassof Number 55. What is filling of biogas chamber with water and saturate overnight? Answer: Water tightness test 56. It refers to the extent or degree by which the bran layer of the brown rice is removed as a result of whitening. Answer: Milling Degree 57. The substance employed as heat absorber or cooling agent is called. Answer: refrigerant 58. Lagoon without oxygen Answer: Anaerobic lagoon 59. it is also called vadose zone Answer: unsaturated zone 60. The daily solar energy or insolation in the Philippines and most of southeast Asia is about Answer: 5kWh/m2 61. 2 neutrons and 2 protons Answer: alpha 62. Length of linear feeder for birds of 4 weeks and below Answer: 4m/100 birds 63. Heat utilized over heat supplied Answer: drying efficiency 64. The minimum fence height for cattle except for brahman cross and excotics breeds where the fence height shall be 16 Answer: 1.5m 65. Organization established to create standards on food and founded on 1963 Answer: FDA (Food and Drug Administration or Bureau of Food and Drugs by Rep. Act. 3720) 66. The minimum methane content of biogas in order to operate biogas fueled generators Answer: 65% 67. Non-destructive testing method of concrete which provide a constant and rapid indication of the compressive strength of the concrete Answer: rebound hammer test 68. Difference between obtained value to true value Answer: error 69. What is the minimum slope of earth, gravel and bituminous roads from the center line towards the ditch to promote rapid runoff of surface water and minimize the amount of water which infiltrates into the roadways Answer: 3% 70. Driving far of ocean thermal power plant Answer: temperature difference 71. The science of movement of ground water Answer: hydrogeology 72. In surveying, what do you measure when using a coordinate method? Answer: area 73. Type or irrigation system mostly used in flat area Answer: basin 74. simplify: i29 +i21 +i 75. What is F1? Answer: first filial generation 76. What is F2? Answer: 2nd filial generation 77. a generation in a breeding experiment that is successive to a mating between parents of two distinctively different but usually relatively pure genotypes Answer: filial generation 78. recall logarithmic properties 79. read different types of surveying 80. computations of major axis of ellipse 81. Typically defined as the difference in height between the high point and the low point on a landscape. Answer: relief 82. The study of shape and features of land surfaces. It is often considered to include the graphic representation of the landform on a map by a variety of techniques, including contour lines, hypsometric tints and relief shading Answer: topography 83. Are collection of lines found on maps that show mountains, valleys and landforms. Answer: contour 84. The line that separates the earth from the sky. Answer: horizon 85. Instrument that measures wind speed Answer: anemometer 86. Field efficiency of combine harvester 17 Answer: 75% 87. Water-cement ratio is expressed in Answer: weight of cement over weight of water 88. A separate area for the emptying and cleansing of stomach and intestines and for the preparation of casings tripe or edible fat Answer: gut room/tripery 89. water requirement for swine 90. Minimum space requirement for carabao feedlot Answer: 4m2/animal 91. Precision-cut and semi-precision cut forage chopper shall be able to cut at least three different length settings with a maximum variation of cut of Answer: 5% 92. Meaning of UCS Answer: User coordinate system 93. a procedure that is used to determine if water-holding vessel is free of leak Answer: water tightness test 94. the response of an organism to seasonal changes in day length Answer: photoperiodism 95. type of terrace use for 6-8% slope of land Answer: broad-based 96. type of terrace use for 20-30% slope of land Answer: bench 97. poorly permeable underground layer that limits the flow of groundwater from one aquifer to another Answer: aquiclude 98. an absolutely impermeable unit that will not transmit any water Answer: aquifuge 99. a wall structure made with meshed wires filled with rocks, concrete or sand Answer: gabions 100. What type of drainage system uses the natural contour of the ground? Answer: gridiron 101. What is the embankment uses a thin wall of plastic, butyl, concrete, steel or wood to form a barrier against seepage through the fill Answer: diaphragm 102. The vertical distance from the centerline of the pump to the discharge water Answer: static discharge head 103. Density of gasoline Answer: 0.844kg/L 104. Density of diesel Answer: 0.7kg/L 105. Flash point of gasoline in centigrade Answer: -40 106. Flash point of diesel in centigrade Answer: 50 centigrade 107. With perforated cylinder Answer: Friction type whitener 108. Sequential firing or combustion of the fuel charge inside the engine in the combustion chamber 18 Answer: firing order 109. Type of motor … field current is parallel with the motor Answer: Shunt wound rotor 110. A mechanical breaking up of fuel into spray droplets by high velocity of air passing through a jet Answer: atomization 111. Many marketers compete to sell similar products & emphasize on the strategy of differentiation. Answer: monopolistic competition 112. Tax imposed by the government on imported goods. Answer: tariff 113. Most commonly used type for domestic and irrigation purposes. Consists of an impeller inside an involute casing. Answer: centrifugal pump 114. The space inside the cylinder when the piston is at the top dead center position. Answer: clearance volume 115. The burned gases are removed from the combustion chamber Answer: exhaust 116. Distance the piston travels in one direction. Answer: stroke 117. The process by which a farm manager looks ahead to the future & contemplates alternative courses of action for the farm. Answer: farm planning 118. When imports equal imports. Answer. Answer: balance trade 119. Tools Used to make holes or change the size or shape of holes. Answer: boring tools 120. The minimum trajectory angle for sprinkler. Answer: 10-25% 121. Allowable percentage depletion of most crops Answer: 50% 122. Soil moisture tension with 15 atmospheres Answer: permanent wilting point 123. The ratio of water beneficially used on the project, farm or field to the amount of water delivered to the farm. Answer: water use efficiency 124. Basic irrigation method for lowland farming. Answer: basin irrigation 125. Irrigation method with high cost but low operation cost Answer: overhead irrigation 126. Irrigation method wherein water is directed to the base of the plant and is applied to the soil through small orifices. Answer: drip or trickle irrigation 127. Laterals enter the sub-main from one side only to minimize the double drainage that occurs near the sub-main Answer: gridiron layout 128. Depth of shallow tube well. 19 Answer: 20m or 60ft 129. Equation for evapotranspiration computation. Answer: Penman-Montieth Equation 130. Precipitation results from mechanical lifting of air mass over mountain barriers. Answer: orographic rainfall 131. Travels over the ground and through the channels to reach the outlets. Answer: runoff 132. A hydrograph with a unit volume of direct runoff for a given storm duration Answer: unit hydrograph 133. Combination of splash and sheet erosion Answer: inter rill 134. Flow greater than the critical flow. Answer: supercritical flow 135. Type of flow wherein the discharge or flow in a prismatic channel is constant with respect to time. Answer: steady flow 136. Irrigation components, related to flow and head. Answer: head gates 137. Uses a thin wall of plastic, butyl, concrete, steel or wood to barrier against seepage through the wall. Answer: full diaphragm type 138. Type of precipitation in the Philippines. Answer: rain 139. Referred to as rain fall. Answer: precipitation 140. Standard height of an earth embankment. Answer: 15m 141. An instrument used to determine the wind speed. Answer: anemometer 142. Measures atmospheric humidity. Answer: hygrometer 143. A mathematical expression for the macroscopic flow of water through a porous system. Answer: Darcy’s Law 144. The composite parts of the irrigation system that divert water from natural bodies of water such as rivers, streams, and lakes. Answer: head works 145. A thin film of soil layer detached ad transported by water flowing on the land surface. Answer: sheet erosion 146. The type of surveying in which the surface of the earth is considered as a plane, or in which its spheroidal shape is neglected, with regard to horizontal distances and directions. Answer: plane surveying 147. The recommended pressure head variation in the lateral between the first and the last sprinkler. Answer: 20% 148. Earth Embankment. Wave height computation (h = 0.014 Df2) where: Df = fetch or exposure, m 20 149. Universal Soil Loss Equation (USLE= CPSLKRM) all values are given. Direct substitution. 150. Soil property which describes the ability of the soil to transmit water. Answer: hydraulic conductivity 151. The surface is rarely wet since the water is supplied from the soil underneath. This requires complete control of the water table so that the root zone is kept relatively free of excess water but is continually supplied with capillary moisture during the cropping season. Answer: sub irrigation 152. What do you call the mountain side, with reference to the wind direction in which the air masses passing through it is cold and dry. Answer: leeward 153. The equation used in current meters is V= a + bN. what does it signifies? Answer: starting velocity 154. “Meyer's equation” 155. Pair of dice. Probability that the sum of the result is 10. Answer: 1/12 or 3/36 156. Radius of circle x2 + y2 + 8x - 4y = 0. Answer: 4.47 157. Three lines for command. Answer: command area 158. Area where arrow cursor can be viewed. Answer: view area 159. Area where the cursor is at the current position. Answer: drawing area 160. Area where the cursor is at the current position 161. How to create circle in the autoCAD application. (yung step by step) 162. Sum of two numbers is 10. The sum is the small square number. What is the two numbers? Answer: 5 & 5 163. A type of survey that deals with the contour of the surveyed location. Answer. Answer: topographic survey 164. What agricultural machinery are usually sold in the Philippines? Answer: Thresher 165. The power rating classification for four wheel standard light tractor Answer: 42 to 49hp 166. Part of the rice thresher which encloses the threshing cylinder and allows the separation of the grains from the panicle Answer: concave 167. Define as the as the power required in pulling an implement Answer: drawbar 168. Power driven that can be found at the rear of the tractor to propel power implement. Answer: power take off 169. Process in which farmer looks ahead to the future and contemplates alternative courses of action for the farm. Answer: farm planning 170. Law dealing with the Mechanization of Agriculture and fisheries Answer: RA No. 10601 21 171. What is API stands for? Answer: American petroleum Institute 172. Point at which a specific volume of sales which a firm neither makes nor losses money. Answer: Break-even point 173. Reduction in the value of a material value of machines Answer: depreciation 174. Rice thresher recovery Answer: 97% 175. Types of tillage traditionally performed Answer: conventional tillage 176. Defined as the ratio of the weight of grains that fell out from the machine during threshing operation, to the weight of the total grain input of the thresher, express in percent? Answer: scattering loss 177. Grain or fraction of grain with its length equal to or greater than eight-tenth of the average length of whole grain. Answer: head-rice 178. Component of a rice mill that removes the bran layer in the brown rice. Answer: whitener 179. review lubricants and its uses 180. Conversion of BTU to calorie Answer: 252 Cal = 1BTU 181. Laws of memorandum circulars 182. Unit of solar energy generated in solar panels 183. The amount of water withdrawn from irrigation and effective rainfall through evaporation from soil and water surface and transpiration from plants. Answer: Evapotranspiration 184. Lateral subsurface water movement Answer: seepage 185. It is the ratio between the water delivered to the farm and water delivered from the source. Answer: Water conveyance efficiency 186. the hydrograph with a unit volume of direct runoff for a given storm duration Answer: unit hydrograph 187. A male or female ox under one year old Answer: calf 188. Farming of aquatic organisms, freshwater and saltwater organisms including mollusks, crustaceans and aquatic plants? Answer: aquaculture 189. Type of climate in which rainfall are more or less evenly distributed throughout the year? Answer: Type IV 190. Type of soil composed of 86% sand, 10% clay and 4% loam Answer: sandy clay loam 191. “Zero” is what kind of number? Answer: integer 192. soil with highest bearing capacity Answer: rocks 193. Slope of small farm reservoir Answer: 15% 22 194. instrument that measures relative humidity Answer: hygrometer 195. Surveying bodies of water for purposed of navigation, water supply of subaqueous construction? Answer: hydrographic surveying 196. What is the probability that the sum of 10 will occur by throwing two dice? Answer: 1/6 197. The scientific study of diseases and virus? Answer: Pathology 198. A porous geologic formation that capable of storing and transmitting water at sufficient quantities that permits economic development? Answer: aquifer 199. Rate of evapotranspiration typically measured in the Philippines during dry season? Answer: 5mm/day or 5m/day? 200. Type of precipitation associated with the movement of air masses from high pressure to low pressure region? Answer: Cyclonic precipitation 201. Field capacity is the moisture content of the soil when the gravitational water has been removed. It corresponds to a soil moisture tension of ______ bar. Answer: 1/3 202. Defined as the soil moisture content at which the plant permanently wilt. This moisture level corresponds to 15 bars of moisture tension? Answer: permanent wilting point 203. Study this formula Q = 0.55CLH1/2 204. Sub-main is laid in depression and laterals join the sub-main from each side alternately? Answer: herringbone 205. Percentage of groundwater on the earth surface Answer: 0.76(Fresh) – 0.93(saline) 206. the most efficient irrigation method Answer: drip or trickle 207. Which of the following has the highest roughness coefficient Answer: Earth grassy canal 208. What is the angle of sprinkler at a maximum throw above the ground? Answer: 25-38 degrees 209. Reaction of plants to sunlight Answer: photosynthesis 210. Pitot tube is an instrument used in measuring, what characteristics of fluid? Answer: static velocity 211. Thickness of concrete for trapezoidal line canal construction Answer: o.25m (minimum) Class A concrete 212. Thickness of concrete for triangular line canal construction Answer: 0.15m (minimum) Class A concrete 213. Surveying instrument used for measuring horizontal and vertical angles, its telescope tube test in a Y-shaped supports. The telescope with the attached bubble? Answer: wye level 214. Established and permanent location, station or point on the ground in which the elevation is known 23 Answer: bench mark 215. Measure of central tendency which has the most number of observed occurrence? Answer: mode 216. Signal of typhoon which gives an 18 hours natural disturbance? Answer: 3 Note: 1 – 36hrs (30-60kph) 2 – 24hrs (61-120kph) 3 – 18hrs (at least 220kph) 4 – 12hrs (171-220kph) 217. Air chamber under pressure usually connected to one or more distributing ducts in a drying or aeration system. Answer: plenum 218. PAES 404:2001; Housing for goat and sheep. housing shall be provided with lighting intensity of Answer: 200 lux 219. PAES 411:2000; Slaughter house for swine, small and large animals. The slaughter house shall be located far from any use for human habitation, and from any factory, public road or public place at a distance of at least _____ meters and should be free from dust, odor, smoke and other contaminants. Answer: 200 m 220. PAES 401:2001; Housing for swine production, Heat requirement for weaners? Answer: 30oC 221. A kind of IC included as an important part of electronic instruments for gathering speed, velocity and discharge real-time data. Answer: timer 222. In wind farm development, what should be done first? Answer: wind velocity measurement 223. What is the specific measure of Pitot tube? Answer: total head 224. PAES 201:2001; Agricultural machinery heated-air mechanical grain dryer – specifications. The maximum moisture gradient of continuous flow dryer. Answer: 2% 225. PAES 201:2001; Agricultural machinery heated-air mechanical grain dryer – specifications. The air moving device that is used to force heated air through the mass of grains at the desired air flow rate and pressure. Answer: blower or fan 226. PAES 406:2001; Agricultural structures – cattle ranch, alley shall be provided to bring the cattle from a pen or pasture to the holding pen. it shall be at least _____ meters wide and shall be laid-out to provide a desired traffic flow. Answer: 3 227. In construction of farm house. How many percent is alotted for window Answer: 20 228. In construction of farm house. How many percent is alotted for window area Answer: 5-10% 229. An opening into a cooling or holding tank for maintaining atmospheric pressure during filing, emptying and cleaning. 24 Answer: Vent (Machinery) 230. An appurtenance to the pipeline which permits the passage of air to or from the pipeline. Answer: Vent (Soil & water) 231. Is the rotating part of an electric motor? It is a cylinder made up of thin sections of a special soft steel with slots cut in the surface. Answer: rotor 232. Standard variation of 112,132,144,156,164,176,183,197. Use mode no.3 (stat) and then press 1(1-var) and then input the given values and press AC afterwards. Press shift no.1(stat) then go to no.4 (variance) then press no.3 for variation Answer: 26.22 233. y = x 50 Find the derivative y with respect to x. Answer: 50! 234. (3,y) equidistant of (5, -2) and (-1,4) find the y Answer: 2 235. If you have 5 cards in your hand, what is the probability that you can get a 4 hearts and 1 club? Answer: 143/39984 236. Photoperiodism is the response of plant to different _____________ Answer: day lengths or light period 237. What is the reason of calibration? Answer: measures and adjust 238. PAES 415:2001 Greenhouse. method of greenhouse construction where modular roof units are connected at the eave by a common gutter Answer: ridge and furrow greenhouse 239. PAES 421:2009 FMR. Radius of Curvature. The minimum radius design for curvature shall be ____ meters for flat terrain, ____ meters for rolling terrain and ____ meters for mountainous terrain. Answer: 500, 150, 50 240. PAES 421:2009 FMR. Type of Roadside ditch that easily be constructed and requires less right-of-way. shall be determined by considering the intended purpose, terrain, flow velocity and quantity of flow to be conveyed and intended primarily for low flow conditions such as in median and roadside ditches Answer: Triangular V-Ditch 241. PAES 413:2001. Biogas Plant mixture of gas (composed of 50 to 70 percent methane and 30 to 40 percent carbon dioxide) produced by methanogenic bacteria Answer: biogas 242. PAES 404:2001 Housing for goat and sheep.Lighting intensity requirement for the house of goat and sheep. Answer: 200 lux 243. PAES 210:2000. Cornmill milled corn kernels with particle size between 0.86 mm to 1.09 mm Answer: grit #18 244. PAES 210:2000. Cornmill milled corn kernels where the outer covering and germs have been removed and with particle size of not less than 0.86 mm Answer: corn grits 245. PAES 210:2000. Cornmill milled corn kernels with particle size between 1.8 mm to 2.0 mm 25 Answer: grit #10 246. PAES 210:2000. Cornmill ratio of the weight of corn grits, to the total weight of corn kernel input, expressed in percent Answer: main product recovery’ 247. PAES 201:2000. Heated Air Mechanical Grain Dryer. dryer in which the products of combustion do not come in contact with the products being dried Answer: indirect-fired dryer 248. PAES 201:2000. Heated Air Mechanical Grain Dryer batch type dryer wherein a fixed volume of grain is held stationary in a vertical grain holding bin Answer: vertical bin type 249. PAES 201:2000. Heated Air Mechanical Grain Dryer ratio of the total heat utilized to vaporize moisture in the material, to the amount of heat added to the drying air expressed in percent Answer: heat Utilization efficiency or drying efficiency 250. Sprayers are used primarily for the application of? Answer: Herbicides, insecticides, fungicides and plant nutrients 251. Is the grouping together of farms in an area (initially forming a minimum of 50ha cluster) for synchronized farming operations from land preparation harvesting Answer: Farm clustering 252. How many piston strokes are there in one revolution of the crankshaft? Answer: 2 253. It removes gaseous pollutants and solid particles while cooling the gas at the same time. Answer: scrubber/wet scrubber 254. A mechanical breaking up of fuel into spray droplets by high velocity of air passing through jet. Answer: Atomization 255. Number of years for license renewal for Agricultural Engineer. Answer: 3 years. 256. Sequence by which the cylinder delivers the power stroke. Answer: firing order 257. Conversion of solid into combustible carbon monoxide through thermo-chemical reaction. Answer: gasification 258. Power drive that can be found at the rear of the tractor to propel power implements and stationary machine. Answer: PTO 259. The air requirement for gasification of agricultural waste range from Answer: 30-40% stoichiometric air (SA) 260. A knocking sound produced due to incomplete combustion of fuel inside the combustion chamber of an engine. Answer: detonation 261. The power required in pulling an implement Answer: drawbar 262. The part of the moldboard plow which is used to cut soil. Answer: share 263. A primary tillage operation which manipulates the soil to a greater depth than 300mm. Answer: Deep tillage 264. Equipment used to place seed in a furrow 26 Answer: seeder 265. Primary factor that affects the performance of the sprayer. Answer: spray particle size 266. A machine used in separating kernels from the cob Answer: sheller 267. The part of the rice thresher which encloses the threshing cylinder and allows the separation of the grains from the panicle. Answer: concave 268. The horizontal distance, perpendicular to the direction of the travel, an implement performs its intended function in one pass Answer: operating width 269. The center to center distance between overlapping broadcast applications Answer: swath 270. Growing of more than one crop on the same land in one year. Answer: multiple cropping 271. Cab or frame installed on agricultural tractors to protect or minimize injury of the operator from accidental overturning during operation. Answer: Roll Over Protective Structure 272. What is the efficiency of the direct couple drive? Answer: 100% 273. Types of piston ring a. Oil ring – lubricates b. Compression ring – seals 274. Most manufactured machine in the Philippines? Answer: dryer/ power tiller 275. Not manufactured in the Philippines? Answer: engine 276. What is demographic survey? Answer: 277. Pertains to farming activities utilizing fixed outlay of labor and capital to an increasing area of land. Answer: extensive farming 278. Is a method of farming which utilizes an increasing amount of labor and capital to the same area of land? Answer: Intensive farming 279. The person responsible for helping the organization achieve its goal. Answer: manager 280. A tax or levy imposed by the government on imported/exported goods. Answer: tariff 281. Is the income derived from the sale of goods? Answer: revenue 282. When exports equal imports. Answer: balance trade 283. Current ratio of import and export? Answer: terms of trade 284. The quantity of a certain commodity that is bought at a certain price at a given place and time. 27 Answer: demand 285. Are those products or services that are required to support human life and activities that will be purchased in somewhat the same quantity even though the price varies considerably. Answer: Necessities 286. Are those products or services that are desired by humans and will be purchased if money is available after the required necessities have been obtained. Answer: Luxuries 287. The analysis and evaluation of the factors that will affect the economic success of engineering projects to the end that a recommendation can be made which will insure the best use of capital. Answer: engineering economy 288. Are those products or services that are directly used by people to satisfy their needs. Answer: Consumer goods and products 289. Are used to produce goods and services or other producer goods. Answer: producer goods and services 290. Occurs when a decrease in selling price result in a greater than proportionate increase in sales. Answer: elastic demand 291. Occurs when a decrease in the selling price produces a less than proportionate increase in sales. Answer: inelastic demand 292. Occurs when the mathematical product volume and price is constant Answer: unitary elasticity of demand 293. Occurs in a situation where a commodity or service is supplied by a number of vendors and there is nothing to prevent additional vendors entering the market. Answer: perfect competition 294. Exists when a unique product or service is available from a single vendor and that vendor can prevent the entry of all others into the market. Answer: monopoly 295. Exists when there are so few suppliers of a product or service that action by one will almost inevitably result in similar action by the others. Answer: oligopoly 296. The quantity of a certain commodity that is offered for sale at a certain price at a given place an time. Answer: supply 297. The law of supply and demand defines that Answer: under conditions of perfect competition the price at which a given product will be supplied and purchased is the price that will result in the supply and the demand being equal. 298. The National Building Code of the Philippines Answer: P.D. No. 1096 and RA. No. 6541 299. Agricultural and Fisheries Mechanization Law Answer: RA. No. 10601 300. Agricultural and Fisheries Modernization Act of 1997 Answer: RA. No. 8435 301. Article 9. Section 34. Of RA. No. 10601 (about Contiguous Farming) Answer: Clustering 302. Enforcement of R.A No. 8559. What government agency? 28 Answer: BOAE 303. Depth of primary tillage Answer: 6 to 36” 304. A type of row crop planter which is designed to deposit one or more seed in a hill at equal interval. Answer: hill drop planter 305. Sprayers are used primarily for Answer: pesticide 306. Parameter not required in determining field capacity of a planter? Answer: No. of seeds per hill 307. Protective device designed and fitted so that, aloe with other parts of the machine, it prevents contact with the dangerous part of all sides. Answer: casing 308. What is the maximum noise level of rice reaper? Answer: 92 dB 309. In on revolution of crankshaft, how many piston stroke? Answer: 2 310. Classification of Internal Combustion Engine? a. rotating engine b. rocket engine c. piston engine 311. When two valves remain closed and the piston is moving upward, what is this event Answer: compression stroke 312. Fuel with highest heating value Answer: Ethanol 313. Volume of the cylinder when the piston is at BDC is called? Answer: total volume 314. obsolescence Answer: no longer being use or not useful anymore 315. To run without any work. Answer: idler time 316. Agricultural machinery that are usually being sold in the Philippines Answer: thresher 317. Grain or fraction of grain with its length equal to or greater than eight-tenth of the average length of whole grain. Answer: head rice 318. Component of the rice mill that removes the bra layer in the brown rice. Answer: whitener 319. Where corn grain will be separated from corn cob? Answer: shelling drum 320. Center to Center distance of spray boom Answer: swath 321. Diesel rating Answer: cetane rating 322. Gasoline rating Answer: octane rating Cetane rating rate 29 Propane 100 Premium 85 Regular gas 89 Octane rate rating Diesel 55 Cocodirt 48 323. The ratio of water beneficially used on the project, farm of field to the amount of water delivered to the farm expressed in percent. Answer: Water use efficiency 324. When there is a type 1 error in the hypothesis, what does it mean? Answer: true but rejected 325. A type of error where the hypotheses is true but is rejected. Answer: type 1 326. Consumptive use can be used in what particular aspect of the plants? Answer: plant growth 327. When the cell accept oxygen and releases carbon dioxide, it is called Answer: respiration 328. Surface field drainage system types A. open drains B. humps and hollows C. levees D. grassed waterways 329. The most common irrigation method used for lowland farming. Answer: basin irrigation 330. The maximum suction head of tube well Answer: 60ft 331. an instrument used to measure wind speed Answer: Anemometer 332. x + y = 1, x 2 + y 2 = 2, what is x 4 + y 4 Answer: 3.5 333. It is used if the entire area is to be drained and is usually more economic. Laterals enters the sub-main from one side only to minimize the double drainage that occurs near the sub-main. Answer: Gridiron 334. It consist of filling the casing with water so that air trapped in the pump does not hinder its operation. Filling up the pump with water to displace or evacuate the entrapped air through a vent and create a liquid seal inside the casing Answer: priming 335. Structural height for an earth embankment Answer: 15m 336. A concept formulated by Henry Darcy in 1856 to describe the rate of flow of water through a porous media is proportional to, and in the direction of, the hydraulic gradient and inversely proportional to the thickness of the bed. Answer: Darcy’s Law 337. Types of close conduit Answer: orifice, culvert and pipe 338. What type of flow that is employed in along pipe at a constant rate? 30 Answer: steady-uniform 339. A mature male goat Answer: Buck 340. A most efficient canal has a side slope of 90o and the depth of flow of 5m, what is the bottom width of the canal? θ Answer: 10m (use the formula b = 2dtan 2 ) 341. What is the wave height in meters given fetch of exposure in meters? Answer: use the formula h = 0.014√Df 342. It is a stream or part of a stream that receives water from ground water or seepage. (Preferred term is Gaining stream.) Answer: effluent stream 343. Land application of wastewater for irrigation and beneficial use of nutrients. Answer: Effluent irrigation 344. The discharge of wastewater or other liquid, treated or untreated. Answer: Effluent 345. Recommended side slope for main and lateral canal Answer: 1.5:1 or 67% 346. Compute for the time when the earth moves 3o from the center of the moon. Answer: 12 minutes 347. Pump consisting of rotating vanes (impeller) enclosed in a housing and used to impart energy to a fluid through centrifugal force. A pump using the centrifugal force produced by a rapidly rotating impeller to displace liquid. Type of pump with impellers rotating inside a closed casing which draws water into the pump through a central inlet opening and forces water out through a discharge outlet at the periphery of the housing by means of centrifugal force. Answer: Centrifugal pump 348. Type of pump which develop most of the suction and discharge head by propelling or lifting action of the impeller vanes on the water; A rotary pump that develops head mostly by the propelling or lifting action of the vanes on water, commonly referred to as a propeller pump. Answer: Axial flow pump 349. The two number has the sum of 10. Which of the following has the sum of their squares to be minimum? Answer: 55 (52 + 52 = 55 350. It is a natural or synthetic hydrograph for one unit of direct runoff from the catchment in a specified unit of time. Answer: unit hydrograph 351. It refers to the arrangement of the individual particles in the soils and separates aggregates of different size and shape? Answer: soil structure 352. A type of error where the hypotheses is false but is accepted Answer: type 2 353. value that measures the degree of departure of the distribution from symmetry Answer: skewness 354. value that measures the flatness or peakedness of the distribution Answer: kurtosis 355. Is the chance that something is likely to happen. The concepts in probability theory were originated in the study of games of chance. These theories were used extensively in areas such as 31 statistics, mathematics, science and philosophy to draw conclusions about the likelihood of potential events and the underlying mechanics of complex systems. Answer: probability 356. Logic or common sense with a strong admixture of arithmetic procedure. deals with scientific methods of collecting, organizing, summarizing, presenting, and analyzing data, as well as drawing valid conclusions and making reasonable decision on the basis of this analysis Answer: statistics 357. Is a sample selected in such a way that every possible sample of the same size is equally likely to be chosen. Answer: simple random sample 358. Is obtained by separating the population into mutually exclusive sets, or strata, and then drawing simple random samples from each stratum. Answer: stratified random sample 359. Is a simple random sample of groups or clusters of elements (vs. a simple random sample of individual objects). This method is useful when it is difficult or costly to develop a complete list of the population members or when the population elements are widely dispersed geographically. Answer: cluster sampling 360. The researcher is guided by some visible characteristic, such as gender or race, of the study population. Answer: quota sampling 361. The method of sampling is common among market research and newspaper reporters. Answer: accidental sampling 362. Is the judgment of the researcher as to who can provide the best information to achieve the objectives of the study? The researcher only goes to those people who in his/her opinion are likely to have the required information and be willing to share it. Answer: Judgmental or purposive sampling 363. Is the process of selecting a sample using networks? Answer: snowball sampling 364. Has the characteristics of both random and non-random sampling designs. In this sampling, the sampling frame is first divided into a number of segments called intervals. Answer: systematic sampling design 365. M measure of the center of a set of data the value that balances the weights on the number line Answer: mean 366. Any measure indicating the center of a set of data, arranged in an increasing or decreasing order of magnitude Answer: Measure of central tendency 367. It is the most commonly used measure of location in statistics. It is easy to calculate and it employs all the variable information. Answer: mean 368. The sum of all the population values divided by the total number of population values Answer: Population mean 369. Sum of all the sample values divided by the number of sample values Answer: sample mean 370. The value that occupies the middle position when the data are ranked in order according to size Answer: median 32 371. It is the fraction of water entering the soil that must pass through the root zone in order to prevent soil salinity from exceeding a special value? Answer: leaching requirement 372. It refers to the composite pasts of the irrigation system that divert water from natural bodies of water such as rivers, streams and lakes? Answer: head works 373. A mathematical expression for the macroscopic flow of water through a porous system? Answer: DARCY’S LAW 374. The time required for the most remote point in the watershed to reach the outlet. Answer: time of concentration 375. Downward movement of water within the soil Answer: percolation 376. The lateral flow of liquid through a porous media? Answer: seepage 377. The only substance on earth that exist naturally in three phases namely, gas, liquid and solid? Answer: water 378. An instrument that measures the area of irregular shape? Answer: planimeter 379. Irrigation method that is commonly used in lowland rice Answer: basin irrigation 380. In the earth embankment, what is the structure height of the dike above the ground level? Answer: 15 meters 381. In small farm reservoir, what is the maximum depth of water Answer: 3m and the maximum height of dike is 4m 382. In the Philippines, what type of precipitation do we have? Answer: rain 383. In a closed conduit pipe, what type of flow is inside? Answer: steady flow 384. Diverts the flow into one or more supplementary farm ditches. It controls or regulates the flow of irrigation water from a main farm ditch to a supplementary ditch. Answer: division box 385. Admit and regulate the flow into the canal. Water control structure at the entrance to a conduit or canal. Answer: head gate 386. Difference in elevation between the groundwater table and the water surface at the well and pumping. Lowering of the water surface, water table, or piezometric surface resulting from the withdrawal of water from a well or drain. Answer: drawdown 387. Aquifer property which represents its ability to transmit water throughout its entire saturated thickness. Answer: transmissivity 388. In AutoCAD where you can find the cursor. Answer: drawing area 389. Two or three boxes below the drawing area wherein you put the text or command. Answer: command area. 390. Method of measuring evapotranspiration that uses energy. 33 Answer: JENSEN HAISE 391. In estimating the evapotranspiration, which of the following method is mostly uses climatological data. Answer: PENMAN METHOD 392. Pitot tube measures Answer velocity and specified measures static head 393. Maximum coverage is attained when the jet emerges from the sprinkler at an angle of ______ above the horizontal Answer: above 28th Most rotating sprinklers are standardized at 30o, but ranges from 30o to 32o 394. Laminar flow has a Reynold’s Number of Answer: 2 395. This type of runoff is used for flood forecasting and water quality analysis. It is the time where the flood flow is highest. Answer: Time to peak 396. The maximum suction head of shallow tube well? Answer: 60ft Minimum = 20ft Average = 40ft 397. In designing irrigation system, what is the following factors that you must consider? Answer: discharge, head and efficiency 398. Instrument to measure specific gravity Answer: hydrometer 399. It is most commonly used method in surveying work. A vertical distance with respect to a horizontal line is used to determine the relative difference in elevation between two adjacent points. Answer: Direct leveling 400. Deals with the subdivisions of lands into parcels, fixing or re-establishing property lines, calculating land area, constructing of land map and writing descriptions of parcels of land or deeds. Answer: land surveying 401. Has reference to surveying bodies of water for purpose of navigation, water supply or aubaqueous construction. Answer: hydrographic surveying. 402. Consist of securing of field data from which may be made a topographic map indicating the relief or elevations and in equalities of the land surface. Answer: topographic survey 403. Location of the rain gages are plotted on the map of the area and stations are connected by straight lines? Answer: THIESSEN POLYGON 404. Infiltrates into the soil surface and move laterally through the upper soil horizons towards stream as perched groundwater above major groundwater level. Answer: interflow 405. Discharge is constant with respect to time Answer: steady flow 406. Lateral subsurface water movement Answer: seepage 407. C/N ratio for anaerobic digestion of organic materials 34 Answer: 20:1 to 30:1 408. Length of rice straw for testing the rice thresher Answer: 40-50cm 409. Under Philippines classification, a micro-hydro power can generate a power up to Answer: 100kW 410. Machine that is usually fabricated in the Philippines Answer: flat-bed dryer 411. Type of construction that buildings shall be of wood construction with protective fire resistant materials and 1hr fire resistive throughout. Except that permanent nonbearing partitions maybe use fire retardant treated wood within the framing assembly Answer: type 2 412. Ratio of the total heat utilized to vaporized moisture in the material, to the amount of heat added to the drying air expressed in percent. Answer: drying efficiency 413. It is the capacity of the material to resist fracture under impact loading Answer: toughness 414. The main advantage for the use of 3 phase systems is that for the same voltage and current, a 3 wire, 3 phase system will deliver this much amount of power as a 2 wire single system Answer: 1.73 times 415. Refers to the portion of electric conductors that extends from the service entrance to an outlet or a certain group of outlets. Answer: branch circuit 416. A conductor that has highest conductivity and lowest resistivity Answer: silver 417. What is the most efficient thermodynamic cycle? Answer: Carnot 418. The moisture content of the paddy after it has been exposed to particular environment for an infinitely long period of time. Answer: EMC 419. As a project engineer, what you should be priority that you considered in designing a project? Answer: feasible 420. In a lumber, what is the meaning of S4S? Answer: smooth on 4 sides 421. In moisture content (wet basis), usually expressed as percentage by weight of ____ in the product. Answer: water 422. What part of an aero-generator exceeding 100kW capacity is responsible in converting rotational movement to electricity? Answer: Altenator 423. Which type of multi-bladed wind pump tail is more effective for windy areas? Answer: Hinged side vane 424. A Jatropha oil expeller was loaded with 2.2 tons dried Jatropha seeds. It produced 600 kg of crude oil in 4 hours. What is its Jatropha cake production rate? Answer: 400kg/hr 2200kg − 600kg 400kg Production = = 4hr hr 35 425. In the environment, by how many times is methane destructive than carbon dioxide? Answer: 21 times 426. The minimum methane content of biogas such that biogas-fueled generators will run. Answer: 65% 427. What is the top agricultural export commodity of the Philippines? Answer: Coconut oil 428. what agency, department or institution support the implementation of RA 8559 particularly in enforcing section 21 thereof relative to the use of seal and other functions and responsibilities of a duly registered agricultural engineer. Answer: LGU or Local Government Units 429. What will be the penalty of an agricultural engineer or foreign AE allowed to practice agricultural engineering in the Philippines if he is found to have committed any of the following: Answer: Grounds for the revocation or suspension of professional license 430. Percentage of weeds removed/destroyed per unit area hindi eto ung exact words dun sa binigay na question pero parang ganito na rin sya. Answer: Weeding index or Weeding efficiency 431. Cost which do not change regardless of the volume of production. (Insurance and taxes on facilities, general administrative salaries, license fees, interest costs on a given amount of barrowed capital) Answer: Fixed cost 432. cost which vary with the volume of production (the costs of material and labor used in a product) Answer: Variable cost 433. Refers to the additional costs or revenue that will result from increasing the output of a system by one or more units. It is also referred to as marginal cost. Answer: Incremental cost 434. often used to mean all expenditures that are not direct costs Answer: Overhead cost 435. Situational 1 : you are given 200,000 = cost for buying production materials 300,000 = cost for paying the tax and insurance of the company 500,000 = cost for the training of the employees 400,000 = cost for the salary, incentives of the employees and other additional expenses of the company a. 200,000 is what type of cost? Answer: Variable cost b. 300,000 is what type of cost? Answer: Fixed cost c. 500,000 is what type of cost? Answer: incremental cost d. 400,000 is what type of cost? Answer: Overhead cost 436. In the operation of internal combustion engines, 4 events repeatedly take place inside the combustion chamber one after the other in a definite order. These cycle of events are the following. Not exact sentence but most likely the same thought. Just search for the meaning. a. Air and fuel mixture enters the cylinder through the open intake port. Answer: induction 36 b. Air and fuel mixture which have entered during the intake event is trapped into a small combustion chamber Answer: compression c. Air and fuel mixture is ignited resulting to a very rapid expansion of the burning mixture Answer: power d. The burned gases are removed from the combustion chamber Answer: exhaust 437. It’s about a powerful businessman, who own a big company that distributes and supply agricultural products to different areas. Meron syang competitors so sabihin na lang natin na… Area 1 – somewhere in davao ay isang agri supply center na nagdidistribute ng agri products directly to the consumer. Area 2 – isang cooperatives na nagpapautang ng mga agri products sa mga member nyang farmers. Area 3 –isang small business man na bumibili ng mga agri products sa mga farmers at directly nya din itong binibenta sa mga consumer with additional cost. a. The powerful businessman is Answer: a merchant b. The Competitor in area 1 is a Answer: dealer c. The Competitor in area 2 is a Answer: Intermediaries d. Competitor in area 3 Answer: value added seller 438. Are those who take physical possession and ownership of products sold? Answer: merchant 439. Those who carry several items and brands from varying sources and are not usually engaged in manufacture and fabrication of agricultural machines. Answer: dealer 440. A person who acts as a link between people in order to try to bring about an agreement or reconciliation; a mediator. Are those who, unlike merchants, do not assume ownership of the products sold Answer: intermediaries 441. It refers to the composite parts of the irrigation system that divert water from natural bodies of water such as rivers, streams and lakes. Answer: head works 442. The international soil science society describes sand as a soil particle with a diameter of. Answer: 0.02 mm to 2 mm 443. The locus of the elevation to which water will rise in a piezometric tube. Answer: hydraulic gradient 444. Surface irrigation method where a much smaller area is enclosed by leaves. Answer: basin flooding 445. The ratio of water stored in the root zone during the irrigation to the water needed in the root zone prior to irrigation expressed in percent. Answer: Water storage Efficiency 446. The ratio between water stored in the soil root zone during irrigation and the water delivered to the farm expressed in percent. Answer: Water application efficiency 37 447. The ratio between the water delivered to the farm and the water diverted from a river or reservoir expressed in percent. Answer: Water conveyance efficiency 448. The sum of total static head, pressure head, velocity head and friction head. Answer: Total dynamic head 449. The surface is rarely wet since the water is supplied from the soil underneath. This requires complete control of the water table so that the root zone is kept relatively free of excess water but is continually supplied with capillary moisture during the cropping season. Answer: sub-irrigation 450. It is accomplished by running water through small channels or furrows while it moves down or across the slope of the field. Answer: furrow irrigation 451. In earth embankment, on structures less than 15 meter high with average materials, the side slopes should be steeper than ____ on the upstream face. Answer: 3:1 452. In earth embankment, on structures less than 15 meter high with average materials, the side slopes should be steeper than ____ on the downstream face. Answer: 2:1 453. Caused by the rising of warmer, lighter air in colder, denser surroundings. Answer: Convective precipitation 454. The process of covering the land surface with plant residues, plastic or other materials appropriate to arrest loss of moisture through evaporation. Answer: mulching 455. 2 pronounced seasons, dry from November to april and wet during the rest of the year Answer: Type I 456. no dry season with a very pronounced maximum rainfall from November to January Answer: Type II 457. seasons not very pronounced, relatively dry from November to april and wet during the rest of the year Answer: Type III 458. rainfall more or less evenly distributed throughout the year Answer: type IV 459. Type of surveying that takes into account the true shape of the earth. These surveys are of high precision and extend over large areas. Answer: Geodetic surveying 460. Consist of counting the number of steps in a required distance. Answer: Pacing 461. Measure the intensity of direct solar radiation, hindi ako sure sa exact words basta instruments for measuring radiation yun. Answer: Pyrhelliometer 462. Measurement for static velocity check nyo na lang yung mga different instrument and meaning para my idea kayo. Answer: Pitot tube 463. when seeds need cold temperature treatment prior to germination to trigger germination Answer: Vernalization 464. aggregates for farrowing or broiler bedding nasa paes Answer: litter 38 465. The cycle referred to as Gasoline cycle Answer: Otto cycle 466. The evaporation loss for the month of June is 16 mm. What is the evaporation rate per day Answer: 0.533mm/day 467. The national building code Answer: republic act no. 6541 468. In AUTOCAD cutting the edge of a square smoothly to become a circle is called Answer: fillet 469. 3 phase motor formula Answer: 3EIcosθ 470. Are irrigation structures which convey water from a higher to a lower level, maybe inclined or vertical? Answer: Drop structures 471. Term used to describe the movement of water in and on the earth and atmosphere. Answer: Hydrologic cycle 472. Results from lifting of air converging into low-pressure area or cyclone. Answer: Cyclonic precipitation 473. Which of the following are not commonly used in the country Answer: Harvesters 474. Code of technical Standards used by a registered Agricultural and Biosystems Engineer? Answer: PAES 475. Slope of carriageway Answer: 3% 476. How long ang carriageway ng one lane and two lane Answer: 2 – 4m 477. A 100KW-10MW hydro power plant is classified as: Answer: small hydro 478. A carnot engine operates between 800 R and 1000 R. What is its thermal efficiency? Answer: 20% 479. A carnot machine operates between a hot reservoir at 200C and a cold reservoir at 20C. When operated as an engine, it receives 1000 KJ/Kg, find the coefficient of performance (COP), when operated as refrigerator. Answer: 1.63% 480. The minimum trajectory angle for sprinkler Answer: 10 – 25 degrees 481. classification of hydropower Classification of hydropower: Above 100 MW –large 25-100 MW –medium 1-25 MW –small 5-100 KW –micro Less 5 KW –pico 482. Feed in tariff Feed in tariff: Solar – Php 9.68/kw-hr Wind – Php 8.53/kw-hr 39 Biomass – Php 6.63/kw-hr Hydro –Php 5.80/kw-hr 483. Mechanical rice thresher percent loss Answer: 3% 484. Toward the direction from which the wind blows. moves upstream Answer: Windward 485. moves upstream Answer: leeward 486. Question yung lumabas dito hindi ko na matandaan Saltation – create hills (0.5 – 0.1 mm) Surface creep – creeping/rolling (0.5 – 2 mm) Suspension – continuous flow (0.02 – 0.1 mm) 487. type of precipitation that occurs as a result of convective heating of the ground surface causing the warm and lighter air parcel to rise above the cold, denser surroundings thus causing the lifting of the air mass which consequently leads to precipitation Answer: Convective precipitation 488. is the rainfall that is caused by the mechanical lifting of moist air masses over mountain barriers consequently leading to precipitation near these elevated geologic barriers Answer: Orographic precipitation 489. Type of rainfall that occurs when air masses converge into a low pressure area resulting to their eventual ascension. A specific type of cyclonic rainfall is frontal precipitation, which involves the meeting of a warm and a cold front. Answer: Cyclonic precipitation 490. The Philippine public storm warning signal PSWS #1: weather disturbance is expected 36 hrs PSWS #2: weather disturbance is expected 24 hrs PSWS #3: weather disturbance is expected 18 hrs PSWS #4: weather disturbance is expected 12 hrs 491. rain disturbances Tropical disturbance –Winds of 30-60 kph is expected in 36 hrs Tropical depression –Winds of 60-100 kph is expected in 24 hrs Tropical storm –Winds of 100-185 kph is expected in 18 hrs Typhoon –Winds of 185-220 kph is expected in 12 hrs Super typhoon – Winds of 220 and above kph is expected in 12 hrs 492. moisture tension Field capacity -1/3 atm Permanent wilting point – 15 atm Saturation point – 1.5 atm 493. Is the ratio of the pore volume to the total bulk volume of the soil Answer: soil porosity 494. Is the ratio of the pore volume to the volume of the soil Answer: Void ratio 495. It is the ratio of the weight of a single soil particle to the weight of a volume of water equal to the volume of the particle soil. Answer: Real specific gravity 496. It is the ratio of the weight of a given volume of dry soil, air space included, to the weight of an equal volume of water. 40 Answer: Apparent specific gravity 497. Instruments Hygrometer – Relative humidity (ito yung sa exam) More notes, correct me if I am wrong. Power output of Engine – dynamometer Hardness of soil – penetrometer Shaft rotation – tachometer Water velocity –current meter Solar irradiance –pyrheliometer Pressure – barometer Wind speed – anonemeter Ground movement – siesiometer (sa exam din to. An instrument that can’t be seen in a typical station) Density of fluid – hydrometer High temperature – pyrometer 498. Uses of this methods Blaney criddle – temperature/day time Shaunyans method – crop yield Bouchcys method – climatic factor Penman evapotranspiration – solar radiation Thornwaite – temperature of air (lumabas sa exam) Sharovs – water liquid to vaporize stage Lowry Johnson – effective heat 499. Types of drainage system layout Natural or random – drains naturally Herringbone – drains at areas depressing at center Gridiron – drains single side (ito yung sa exam) 500. Standard height of an earth embankment Answer: 15m 501. overflow structure built across a river to raise the upstream water level in order to facilitate the water diversion into the main canal by gravity Answer: diversion dam 502. installed at the head of the main canal, lateral and main farm ditch to admit and regulate the flow into the canal Answer: Headgate or Head regulator or Intake structure 503. installed immediately downstream of the junction of an irrigation canal to raise the water level upstream in order to facilitate its diversion into the branching canal Answer: Checkgate or cross regulator 504. special intake structure that serves as an outlet of irrigation water into the main farm ditch or service area Answer: turnout 505. diverts the flow into one or more supplementary farm ditches Answer: division box 506. built along supplementary farm ditch at the head of the internal farm ditch to control and regulate the flow. Answer: offtake 41 507. structure built at the tail end of the farm ditch to allow the safe entry of excess irrigation water into the drainage canals Answer: Endcheck or tail escape 508. Discharge measurement structure that constricts the flow by narrowing the width of the channel section. The most common is the parshall flume – bridge for water irrigation Answer: Weir 509. structure that conveys water across and above natural depressions such as creeks or rivers Answer: Bench flume 510. a structure that conveys water across but underneath natural depressions Answer: inverted siphon 511. hydraulic structure that dissipates energy and connect mildly sloping irrigation canals built along a steeply sloping land Answer: Drop or fall structure 512. different canals Primary canal – main canal Secondary canal – lateral Tertiary canal – main farm ditch Quaternary canal – supplementary farm ditch 5th canal – internal farm ditch 513. AUTOCAD: (SHORTCUTS) kayo na po yung bahala sa application and functions 514. AFMECH LAW act of 2013 Answer: RA 10601 42 515. Agricultural Engineering law act of 1998 Answer: RA 8559 516. Is an integrated circuit used in instrumentation and control? Answer: TD 8062 517. For concrete road farm to market roads, the maximum slope from the centerline towards the ditch shall Answer: 1.5% 518. The amount paid to project owners from CDM fund for carbon emission reduction projects? Answer: Carbon credit value 519. The process which results in the diffusion of substances from the region of high concentration to the region of low concentration Answer: mass transfer 520. The typical width of farm to market road for a two lane roadway Answer: 4m 521. It refers to the extent or degree by which the bran layer of the brown rice is removed as a result of whitening Answer: milling degree 522. Grit number of milled corn kernel with particle size between 1.8mm to 2.0mm Answer: grit #10 523. The substance employed as heat absorber or cooling agent is called. Answer: Refrigerant 524. Type of flooring with openings to facilitate cleaning of the droppings in housing for layer production. Answer: Slotted type 525. Ratio of heat released by the fuel, to the theoretical heat available from the fuel. Answer: drying efficiency 526. Standard noise level of rice reaper Answer: 92 dB 527. It is the ability of a rice mill to remove hulls without breaking Answer: coefficient of wholeness 528. Ratio of the total heat utilized to vaporize moisture in the material, to the amount of heat added to the drying air. Answer: drying efficiency 529. The sows and piglets remain in the farrowing house until the piglets are weaned. The weanlings are transferred to a growing finishing house Answer: two-unit system 530. Minimum space requirements per animal for boar pens. Answer: 7.5m2 531. In the housing for swine production, the heat lamps shall be placed ____ above the sow. Answer: 152mm 532. Method of greenhouse construction where modular roof units are connected at the eave by a common gutter. Answer: Ridge and furrow greenhouse 533. Air circulation space requirement between sidewalls and benches in a greenhouse. Answer: 160mm 43 534. In a broading area, the birds shall receive a total of 23 hours of light at ___ during the first 48 hours. Answer: 35 watt/m2 535. Flammable gas derived from anaerobic fermentation of any organic matter especially animal manure or manure biomass mixture. Answer: biogas 536. A type of forage chopper where the chopped materials are blown up through the blow- up type pipe. Answer: blow-up type pipe 537. Linear water space requirement per 100 birds whose age are 4 weeks and below. Answer: 2.5m 538. A measure of quantity of heat that will raise the temperature of one pound of water one degree Fahrenheit Answer: BTU 539. The most efficient gas cycle Answer: Carnot cycle 540. The ratio of the actual partial pressure exerted by the water vapor in any volume of air to the partial pressure that would be exerted by the water vapor if the water vapor in the air is saturated at the temperature of the air. Answer: relative humidty 541. Part of aerogenerators in which farms that converts rotational movement to AC electricity. Answer: alternator 542. An electric pump has total resistance of 9.5 ohms. If its power source is from a 220 volt outlet, what should be the amperage of its safety fuse? Assume 27% surge current. Answer: 30A 543.

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