Board Concepts Answer Key PDF

Board Concepts Answer Key Day 1 1. The theory of resonance was developed by ________ in order to further explain the bonding structures of molecules or ions not covered by Lewis Octet Rule A. Hans Fischer B. Linus Pauling C. Victor Grignard...

Board Concepts Answer Key Day 1 1. The theory of resonance was developed by ________ in order to further explain the bonding structures of molecules or ions not covered by Lewis Octet Rule A. Hans Fischer B. Linus Pauling C. Victor Grignard D. Paul Sabatier 2. Generation of glucose from certain non-carbohydrate carbon precursors during prolonged starvation. A. Glycogenolysis B. Glycolysis C. Gluconeogenesis D. Glycogenesis 3. It is used as a precursor of vinyl chloride A. Ethylene B. Ethene C. Propane D. Propylene 4. A diamond structure is due to A. Ionic bonding B. Hydrogen bonding C. Strong covalent bonding D. Metallic bonding 5. Produced when hydrogen is removed from a benzene ring A. Aryl B. Phenyl C. Hydroxyl D. Benzyl 6. Produced when hydrogen is removed from an aromatic functional group A. Aryl B. Phenyl C. Hydroxyl D. Benzyl 7. Range of electronegativity A. -1 to 1 B. 2 to 5 C. 0 to 4 D. 1 to 5 8. Magnesium reacts with ______ to produce magnesium nitride and hydrogen gas A. Nitrogen B. Nitrogen dioxide C. Ammonium D. Ammonia 9. Most common coagulant used for water purification A. Ferric Sulphate B. Ferric Chloride C. Potash Alum D. Liquid Alum 10. What does MSDS stand for A. Material Specification B. Material Safety Data Data Sheet Sheet C. Machine Safety Data Slip D. Machine Safety Data Sheet 11. Sigma bonds per carbon in benzene A. 1 B. 2 C. 3 D. 4 12. Predominant organic acid found in apples A. Malic acid B. Oxalic acid C. Tartaric acid D. Benzoic acid 13. Number of C atoms in olvanil A. 23 B. 26 C. 29 D. 32 14. The number of amino acids in human protein A. 25 B. 23 C. 20 D. 19 15. Reaction wherein unsaturated bonds are cleaved with ozone A. Ozonalysis B. Ozotropic reactions C. Ozonolysis D. Ozeotropic reactions 16. Method for sequencing of amino acids by sequentially removing one residue at a time from the amino end of a peptide A. Hydrolysis B. Mass Spectrometry C. Edman Degradation D. Beckman-Spinco Analysis 17. Ratio of the mass of the sun to the earth A. 3,000 B. 33,000 C. 333,000 D. 3,333,000 18. Ratio of the diameter of the sun to the earth A. 107 B. 108 C. 109 D. 110 19. Formula of red lead A. Pb2O B. PbO C. Pb3O4 D. Pb2O5 20. Discovered Deuterium A. Robert Boyle B. Pierre Janssen C. Henry Cavendish D. Harold Urey 21. Alar A. C6H12N2O3 B. C16H20NO3 C. C7H24N3Cl D. C10H12NOCl 22. When Ca undergoes the flame test, what color does it 2+ produce? A. Crimson red B. Yellowish green C. Purple/lilac D. Brick red 23. Organic reaction that converts an alcohol into an alkyl chloride A. Baeyer B. Appel C. Finkelstein D. Bellstein 24. Chemical formula of Rochelle’s Salt A. KNaC4H4O6*4H2O B. Na2C5H7O2*2H2O C. Pb2CO3Cl2 D. PbC2O4Cl 25. Major component of lecithin A. Phosphatidine B. Phosphatidylcholine C. Sterols D. Phosphatidylethanolamine 26. Invented vulcanized rubber A. Edouard Michelin B. John Boyd Dunlop C. Charles Goodyear D. William F. O’Neil 27. Chemical formula for angelic acid A. C3H6OCl B. C2H3N2Cl C. C6H10Cl2 D. C5H8O2 28. Polymer found in bulletproof vest A. PVC B. Nylon C. Linear Polyethylene D. Teflon 29. All of these are indicators for EDTA except: A. Eriochrome Black T B. Solochrome C. Muroxide D. Calmagite 30. Taurine A. C3H9NO2 B. C4H8SO3 C. C2H7NO3S D. C5H10NO2S 31. Distance of earth to farthest galaxy in billion light years A. 12 B. 14 C. 13 D. 15 32. Arrange the following compounds in increasing acid strength: I. Phenol II. Alcohol III. Carboxylic acid A. II-I-III B. III-I-II C. I-II-III D. II-III-I 33. The difference between the actual property value of a solution and the value it would have as an ideal solution at the same T and P and composition is called A. Residual B. Excess C. Partial D. Gibbs free energy 34. Formula of 11-tetradecenyl acetate A. C15H34O B. C15H30O C. C16H30O2 D. C16H34O2 35. Oxidation number of Cr in CrF63+ A. 3 B. 0 C. -3 D. -6 36. Isoelectronic with Xe A. Mg2+ B. S2- C. K + D. I- 37. Match the following element to the correct application I. Co-60 A. Kidney scan II. Th-201 B. Cancer therapy III. Tritium C. Measure H2O content in body IV. Hg-197 D. Heart scan A. IA-IIB-IIIC-IVD B. IVB-IC-IIA-IIID C. IB-IVA-IID-IIIC D. IIIA-IIC-ID-IVB 38. Number of double bonds in geraniol A. 3 B. 2 C. 1 D. 0 39. Also known as saturated aliphatic hydrocarbon A. Olefin B. Paraffin C. Alkene D. Arene 40. What happens to DU when the work is done by the system during the adiabatic expansion of ideal gas? A. Increases B. Decreases C. Stays the same D. Not enough information 41. Common name of calcium carbonate A. Quartz B. Dolomite C. Chalk D. Cream of tartar 42. Chemical formula of laughing gas A. NO B. NO2 C. N2O D. NO3 43. Which is not a main component of cement? A. Fe B. Ni C. Si D. Al 44. Nearest layer of atmosphere from earth’s surface A. Troposphere B. Stratosphere C. Mesosphere D. Thermosphere 45. Scientist who won the Nobel Peace Prize for nuclear fission A. Otto Stern B. Otto Hahn C. Enrico Fermi D. Paul Karrer 46. Which of the following statements is true based on Classical Physics & Quantum Theory A. Robert Bunsen proposed B. Quantum theory places no that energy like matter limitation on the amount is discontinuous of energy that a system may possess C. The energy of a quantum D. None of the choices of electromagnetic radiation is proportional to the frequency of the radiation 47. Person behind carbon dating method A. Gilbert Plass B. Willard Libby C. Charles Keeling D. Wallace Broecker 48. Where is the ozone layer found? A. Troposphere B. Stratosphere C. Mesosphere D. Thermosphere 49. Solid layer of earth’s crust A. Mantle B. Asthenosphere C. Lithosphere D. Outer core 50. First natural dye to be produced synthetically A. Melanin B. Carotenoid C. Alizarin D. Indigofera 51. Internal energy is composed of all energy in the system except: A. Enthalpy B. Free energy C. Heat of fusion D. Kinetic and potential energy 52. Known for the discovery of spontaneous radioactivity A. Ernest Rutherford B. Marie Curie C. Henri Becquerel D. Wilhelm Roentgen 53. Who coined the term “radioactivity”? A. Ernest Rutherford B. Marie Curie C. Henri Becquerel D. Wilhelm Roentgen 54. Discovered the elements Polonium and Radium A. Ernest Rutherford B. Marie Curie C. Henri Becquerel D. Wilhelm Roentgen 55. The atomic mass unit (amu) is equal to ______ of the mass of an atom of Carbon-12 A. One-half B. One-fourth C. One-sixth D. One-twelvth 56. This law explains electromagnetic induction as the interaction of a magnetic field with an electric circuit to produce electromotive force (emf) A. Maxwell’s Law B. Kirchoff’s Law C. Faraday’s Law D. Boltzmann’s Law 57. Also known as olefins A. Alkanes B. Alkenes C. Alkynes D. Aromatics 58. Component of chili peppers responsible for the burning sensation A. Theobromine B. Quinine C. Capsaicin D. Castoreum 59. Another name for bulk temperature A. Surface temperature B. Adiabatic temperature C. Steady state temperature D. Mixing-cup temperature 60. Wohler’s experiment that destroyed the Vital Force Theory A. Using electrolysis to B. Heating of NH4Cl with AgCN isolate elemental K, Na, to form urea and Ca C. Separating a racemic D. Mixing Xe and PtF6 leading mixture of two to the first synthesis of enantiomers by sorting a noble gas compound individual crystals 61. Set of processes performed by living beings that allow them to interchange matter and energy with their environment A. Metabolism B. Cytosis C. Glycolysis D. Anabolism 62. Alfred Baeyer produced this compound by combining malonic acid and urea A. Thioesteric acid B. Butyric acid C. Valeric acid D. Barbituric acid 63. Properties of dodecane: I. Is it soluble in water? II. Is it soluble in hexane? III. Is it combustible? IV. Is it solid, liquid, or gas at room temperature & atmospheric conditions? V. Is it denser than water? A. No, yes, yes, liquid, B. Yes, yes, yes, liquid, more dense more dense C. Yes, yes, yes, liquid, D. No, yes, yes, liquid, less dense less dense 64. The only natural amino acid that has no chiral center is A. Cysteine B. Tryptophan C. Glycine D. Proline 65. When a foreign substance is injected in a rabbit, how long does it take to find antibodies against the foreign substance in the rabbit serum? A. Less than 1 week B. Exactly 1 week C. 1 to 2 weeks D. More than 2 weeks 66. Which amino acid has the highest percentage nitrogen? A. Glutamic acid B. Arginine C. Tyrosine D. Phenylalanine 67. Above the stratosphere, the concentration of ozone and other gases is low, and the temperature decreases with increasing altitude A. Troposphere B. Ionosphere C. Mesosphere D. Stratosphere Day 2 1. Equivalent diameter is A. Diameter of circular duct B. Diameter of rectangular that gives same pressure duct that gives same drop as rectangular duct pressure drop as circular duct C. Diameter of rectangular D. Diameter of circular duct duct that gives same that gives same pressure pressure drop as square drop as square duct duct 2. Control system that minimizes upset A. Cascade B. SCADA C. DCS D. Networking 3. Plasticizer used in PVC A. Phthalate B. Polyethylene C. Glycerides D. Polyhydric alcohols 4. Which of the following one of the drying substances in the dehydration and sweetening of natural gas? A. Methanol B. Polystyrene C. Monoethanolamine D. Sodium thiocyanate 5. It is the primary consideration in practical automation A. Complexity of system B. Configuring devices as fail-safe C. Delivering high level of D. Cost-benefit analysis of automation automation 6. Catalyst used in Haber-Bosch process A. Platinum B. Palladium C. Chromium D. Iron 7. Portland cement with tricalcium silicate & dicalcium silicate A. Sulfate-resistant B. Low-heat C. Ordinary D. Modified 8. Perfume fixative extracted from deer glands A. Lanolin B. Ozocerite C. Musk D. Ambergis 9. A good general reference on the art of problem solving A. Berkeley B. Zurich C. Polya D. Weber 10. Design within internal constraints A. Best B. Possible C. Probable D. Plausible 11. Production of sodium sulfate A. Hargreave’s Process B. Burton Process C. Kolbe-Schmitt Process D. Cumene Process 12. Step by step method of cost analysis A. Cost estimation B. Factorial C. CBA D. One-on-one 13. Industrial process produces parisons A. Blown glass B. Ceramics C. Semiconductors D. Metal sheet 14. Yamatake system A. Arataki B. Method C. C-Python D. Azbil 15. Pioneered zeolites for water softening A. Reinhold Leipzig B. Petro Bordeaux C. Robert Gans D. John Lowe Graz 16. Which process is used to extract and purify nickel A. Dow B. Bayer C. Mond D. Ostwald 17. Vanilla comes from the immature fruit of a plant with the scientific name Vanilla Planifolia. What kind of plant is this? A. Herb B. Flower C. Orchid D. Climber 18. Largest chemical producer in the world A. Air Liquide B. BASF C. Dow D. Formosa Plastics 19. What chemical known as oxygen scavenger is used for the complete deoxygenation of boiler feed water to minimize corrosion in high-pressure, high-temperature boiler? A. Sodium sulfite B. Sodium sulfate C. Sodium carbonate D. Sodium bicarbonate 20. What is the importance of sodium hexametaphosphate conditioning of pressure boiling water? A. To prevent rust B. To protect from corrosion C. To maintain proper D. To avoid scaling temperature 21. Happens in thermocouple when temperature difference between two dissimilar electric conductors produces an electromotive force A. Maxwell effect B. Rosin coupling C. Sperling attraction D. Seebeck effect 22. Which of the following equipment is considered proprietary A. Reactors B. Dryers C. Heat Exchangers D. Distillation columns 23. Electronic noise inside electric conductor A. Seeberg B. Rammler C. Johnson D. Gaudin 24. What is the purpose of sizing in the manufacture of paper A. Remove lignin without B. Provide water resistance losing fiber strength & prevent paper from blurring with ink C. Enhance material density D. Formation of fibers on a thin screen and flattening into a sheet 25. Based on the rheological behavior of fluids, what is the term for some fluids that do not flow at all until a threshold stress level is attained? A. Pseudoplastic B. Newtonian fluid C. Dilatant D. Bingham plastic 26. Also known as design factor A. Corrosion factor B. Safety factor C. Optimum factor D. Maximum factor 27. The work done in a free expansion process is A. Minimum B. Maximum C. Zero D. Infinity 28. In feedback control system for temperature control, a thermocouple measures the temperature, and the output is fed to a controller. What results when one of the components known as a comparator compares a measure temperature value with desired value or set point? A. Error B. Deviation C. Oscillation D. Feedback 29. The function of transducer is A. Modify the input signal B. Convert the primary signal into more useful quantity C. Amplify the input signal D. Codify or decodify the input signal 30. What is the simplest type of control commonly expressed as having on/off position action? A. Bang-Bang B. Input-Output C. Manual D. Integral 31. What is the measure of wall thickness of tubing considering that there is no clear-cut distinction between pipe and tubing? A. Nominal pipe size B. Schedule number C. Birmingham wire gauge D. Nominal diameter 32. A disturbance which is externally applied to the system A. Impedance B. Perturbations C. Output disturbance D. Oscillation 33. A substance which can be readily converted into dye or other colored compound A. Chromogen B. Goitrogen C. Anlagen D. Acrogen 34. A product of alumina and silica at high temperature A. Bentonite B. Illite C. Kaolinite D. Cement 35. What optimization technique is commonly used in chemical process project design where the problem is to decide the optimum utilization of resources? A. Linear programming B. Dynamic programming C. Cost-value D. Step-wise 36. Primary organic component of oil shale A. Bitumen B. Peat C. Kerogen D. Graphite 37. Protective response which is initiated upon detection of a process hazard A. High-integrity protective B. Interlock system C. EEMUA 191 D. Human interface 38. Heat capacity is defined as C=dQ/dT. What is the difficulty about the relationship of C to Q which are supposedly state functions? A. Small temperature changes B. Not an intensive property have smaller capacities C. It is a process dependent D. It presents heat as quantity energy in transit 39. ______ defined design as conversion of an ill-defined requirement into satisfied customer A. Casey B. Chaddock C. Polya D. Chittenden 40. Gasification of coal to produce substitute natural gas, at what reaction zone is CH4 produced when some of C is hydrogenated? A. Pyrolysis B. Hydro-gasification C. Gasification D. Hydrotreating 41. Who describe temperature as “thermal state of a body considered with its ability to communicate heat to other bodies”? A. Joule B. Van Ness C. Boltzmann D. Maxwell 42. In chemical engineering with regards to reactor design, what is the concern referred to with the question: “what changes can we expect to occur?” A. Flow rate B. Reaction rate C. Thermodynamics D. Free energy 43. Example of local equilibrium A. Shock wave B. Boiling steam C. Molten polymer D. Explosion 44. Causes feedback on telephone during rainy days A. Feedback B. Error C. Oscillation D. Deviation 45. Skirt supports are most suitable for: A. Horizontal vessels B. Thick-walled vertical vessels C. Thin spherical vessels D. Tall vertical vessels 46. For a zero-order reaction, the ratio of the volume of a backmix reactor to the volume of a plugflow reactor, for the same reactant conversion and conditions, is: A. 0 B. Between 0 to 1 C. Greater than 1 D. 1 47. The primary consideration in the selection of a dryer is: A. Bulk density of the B. Whether the drying product process is batch or continuous C. Physical properties of D. Site of the proposed the material to be dried installation 48. Which of the following processes is not exothermic? A. Catalytic cracking B. Methanol synthesis C. Oxidation of sulfur D. Ammonia synthesis 49. When designing a reactor what must be considered in searching for optimum efficiency? A. Cost of reactor B. Alternatives for the process C. Economics of overall D. Treatment cost of process materials & waste 50. Industry itself is a power plant A. Petroleum B. Wastewater C. Battery D. Sugar 51. Minimum temperature at which vapor above liquid will continue to burn once ignited A. Flash point B. Fire point C. Bubble point D. Auto ignition point 52. Actual work/theoretical work A. Turbine B. Pump C. Engine D. Carnot 53. It is the most efficient process for hydrogen gas production which emits less amount of carbon A. Electrolysis B. Steam reforming C. Coal gasification D. Step-wise 54. Temperature in which reactor condition cannot be controlled A. Equilibrium temperature B. Runaway temperature C. Fire point D. Critical point 55. What happens to a particle at the grinding limit A. Large change in particle B. No change in particle size size C. Clumping of particles D. Breakdown 56. It has no concise thermodynamic definition and cannot be measure directly A. Internal energy B. Temperature C. Pressure D. Volume 57. Boudouard process A. C + O2 -> CO2 B. CO + H2O -> CO2 + H2 C. C + CO2 -> 2CO D. 2H2O -> 2H2 + O2 58. In the cubic equation of state, what is the assumption for the middle root? A. Large significance B. Standard significance C. No significance D. Depends on system 59. Lee/Kesler correlation is only applicable for the following compounds A. Polar only B. Non-polar only C. Polar and slightly polar D. Non-polar and slightly polar 60. Formation of nuclei during crystallization A. Crystal growth B. Primary nucleation C. Secondary nucleation D. Clustering 61. Though it may be difficult to determine the dominant basic pattern in the applied force to break a particle, what pattern is brought about by disintegrating the particle by 2 rigid forces? A. Attrition B. Compression C. Abrasion D. Impact 62. In the use of refractory materials, a mixture of silica & alumina form a eutectic at what condition? A. 96.0% SiO2 @ 1900oC B. 97.5% SiO2 @ 1355oC C. 92.5% SiO2 @ 1650 C o D. 94.5% SiO2 @ 1545oC 63. Which of the following describes a screw conveyor? A. Transfer dry bulk B. The mechanism of this materials from one area system consists of a to another through air helical blade that moves pressure liquid or granular materials, usually within a tube C. These systems move D. Discs are evenly spaced material through a sealed along this rope, and they tube with the help of a move at very high speeds flexible, coated that create an airstream stainless steel drag cable 64. Product of distillation of coal tar A. Propane B. Carbon C. Ethanol D. Phenol 65. Design within external constraints A. Possible B. Plausible C. Probable D. Best 66. Likely candidates A. Possible B. Plausible C. Probable D. Best 67. Optimum design A. Possible B. Plausible C. Probable D. Best 68. Another name for earth wax A. Ambergis B. Musk C. Ozocerite D. Lanolin 69. Used in ultrasonic flow meters A. Doppler B. Johnson C. Hertz D. Prandtl 70. Which is not a pesticide? A. Heptachlor B. Hexachlorobenzene C. Chlordane D. Polychlorinated biphenyl 71. Choose the common method in the removal of fine particles in hot airstream in cement production A. ESP B. Buoyancy C. Venturi scrubber D. Cyclone separator 72. Fugacity and pressure are numerically equal when a gas is A. In standard state B. At high pressure C. At high temperature D. Ideal gas 73. Measure of a material’s ability to radiate absorbed energy A. Emissivity B. Absorptivity C. Transmissivity D. Heat capacity 74. This phenomenon occurs in a fluid flow system when the local static pressure drops below the vapor pressure of the liquid at the existing temperature, resulting to damage to pumps and control valves from the formation of “bubbles” or voids A. Choked flow B. Cavitation C. Flashing D. Water hammering 75. In agitation, which among the following will not prevent swirling or formation of a vortex? A. Increasing the distance B. Mounting the mixer in an of the impeller from the angular off-center base of the tank position C. Installing baffles in the D. Offsetting the mixer tank horizontally on the x- axis 76. It is a membrane separation process where a component from a heated liquid phase permeates through the membrane and is removed under low pressure A. Reverse osmosis B. Ion exchange C. Electrodialysis D. Pervaporation 77. In a packed column, channeling is prevented by which of the following equipment? A. Nozzles B. Raschig rings C. Column sump D. Liquid distributor 78. It is the first stage in the anatomy of a chemical manufacturing plant A. Product separation B. Feed preparation C. Reactor D. Raw material storage 79. Which among the following is most suitable for very high-pressure gas phase reactions? A. Tubular flow reactor B. Batch reactor C. Fluidized bed reactor D. Stirred tank reactor Day 3 1. Chairperson of PRC A. Jose Y. Cueto, Jr. B. Teofilo S. Pilando, Jr. C. Erwin M. Enad D. Aristogeron T. Gesmundo 2. Chairperson of chemical engineering board A. Cezar De la Cruz B. Shirlyn Chua-Reyes C. Ofelia Bulaong D. Cyd Aguilera 3. What is the acid test ratio A. Ratio of current assets B. Ratio of current assets (excluding inventory) to (including inventory) to total current liabilities total current liabilities C. Ratio of total current D. Ratio of total current liabilities to current liabilities to current assets (excluding assets (including inventory) inventory) 4. It is used for comparing worth from different years A. Present worth cost method B. Annual worth analysis C. Capitalized analysis D. Payback period method 5. In Philippine Clean Water Act of 2004, it is defined as layer of water-bearing rock located underground that transmits water in sufficient quantity to supply pumping wells or natural spring A. Aquifer B. Surface water C. Groundwater D. Reservoir 6. A parabola is the set of all points equidistant from a point called the A. Focus B. Directrix C. Latus rectum D. Vertex 7. When the discriminant is greater than zero, the roots are: A. Real and equal B. Real and unequal C. Imaginary and equal D. Imaginary and unequal 8. This law states that “The State shall recognize and protect the rights of the indigenous cultural communities to their ancestral lands as provided for by the Constitution” A. Ecological Solid Waste B. Philippine Clean Water Management Act Act C. Toxic Substances, D. Philippine Mining Act Hazardous and Nuclear Waste Control Act 9. Lowest possible probability A. Less than zero B. 0 C. In between 0 and 1 D. 1 10. A type of rosette composed of three electrical resistance strain gages making angles of 0o, 60o, and 120o with the x-axis A. Star B. Hexagonal C. Delta D. Rectangular 11. A ______ is one who, for a given period of time, is being observed and evaluated to determine whether or not he is qualified for permanent employment A. Term employee B. Seasonal employee C. Casual employee D. Probationary employee 12. A simple type of stress occurs when the material body is under equal compression or tension in all directions A. Uniaxial normal stress B. Isotropic stress C. Shear stress D. Cylinder stress