Plumbing Arithmetic Pre-board Examination PDF

PLUMBING ARITHMETIC (10%) PREPARED BY: Pre-board examination IVAN DIOSO, RCE, RMP Duration: 2hrs INSTRUCTION...

PLUMBING ARITHMETIC (10%) PREPARED BY: Pre-board examination IVAN DIOSO, RCE, RMP Duration: 2hrs INSTRUCTION: Select the best answer for each of the following questions. Mark only one answer for each item by shading the box corresponding to the letter of your choice on the answer sheet 12. The minimum size building supply allowed by the code for provided. water is STRICLTY NO ERASURES ALLOWED. Use no 1 pencil only. a. ¾ inches c. ½ inches b. 1 inch d. 1.25 inch 1. A stack, as defined in the code is a. any vertical vent 13. A pipe connecting upward from a soil or waste stack below b. main vent the floor and below horizontal connection to an adjacent vent c. vertical soil, waste, or vent stack at a point above the floor and higher than highest spill d. main stack level of fixtures for preventing pressure changes in the stacks. a. circuit vent c. local vent 2. A Fixture Unit is equivalent to flow of b. revent d. yoke vent a. ½ cubic foot of water b. 1 cubic foot of water 14. Which type of vent has a function similar to a yoke vent c. ¼ cubic foot of water a. relief vent c. individual vent d. d. 2 cubic foot of water b. back vent d. circuit vent 3. The airgap for drainage is the unobstructed vertical distance 15. The air pressure test for any threaded (low pressure) gas from piping system shall be at least a. any pipe to the flood level rim of any tank a. 10 psi for 10 mins b. a low inlet to the indirect waste receptor b. 10 psi for 15 mins c. lowest opening to a fixture or a vat c. 15 psi for 10 mins d. any pipe to a free atmosphere d. 15 psi for 15 mins 4. ________ is a controlled outlet of a pipeline to discharge 16. Water system containing a water heater will require liquid or detritus. a. heat water return line a. chase c. court b. pressure relief valve b. blow off d. nuisance c. compression gasket d. humidifier 5. What is the minimum depth of a molten pig lead in a caulked joint? a. ½ inches c. 1 inch 17. An automatic fill device that is mostly used and commonly b. 1- ½ inches d. 2 inches found in toilet tanks a. globe valve c. check valve 6. CCIP stands for b. ballcock d. foot valve a. Cast Concrete Iron Pipe b. Concrete Cargo Initial Preference 18. Minimum airgap for lavatory and other fixtures with effective c. Centrifugally Cast Iron Pipe openings not greater than 13mm in diameter and not affected d. Caulked Concrete Induction Pipe by side walls. a. 13mm c. 51mm 7. In the requirements of horizontal distance from sewer, a b. 25mm d. 38mm distance of 15.2m is required for a. building or structures c. public water main 19. Minimum airgap for lavatory and other fixtures with effective b. property line d. water supply wells openings not greater than 13mm in diameter and affected by side walls. 8. Which of the following pipe fitting is used to reduce the size a. 13mm c. 51mm of an opening b. 25mm d. 38mm a. nipple c. bushing b. adapter d. union 20. Minimum air gap for sinks, laundry trays, and other fixtures with effective openings not greater than 19mm in diameter 9. Which of the following code provisions is correct and not affected by side walls. a. When a building sewer or a branch thereof does not a. 57mm x c. 51mm exceed 3m in length and is a short straight line extension b. 25mm d. 38mm from a building drain which is provided with a cleanout, cleanouts will be required at its point of connection to the 21. Minimum airgap for sinks, laundry trays, and other fixtures building drain. with effective openings not greater than 19mm in diameter b. Cleanout installed under concrete or asphalt, paving and affected by side walls. shall be made accessible by strong yard boxes with a. 57mm c. 51mm hinged cover or extending the top cover with countersunk b. 25mm d. 38mm operating nut flush with paving with approved materials and be adequately protected. 22. Minimum airgap for over rim bath fillers and other fixtures with c. Cleanouts are required on a horizontal drain line less effective openings not greater than 25mm in diameter and not than 1.5m in length unless such line is serving sinks or affected by side walls. urinals. a. 57mm c. 51mm d. Each cleanout for an interceptor shall be outside of such b. 25mm d. 38mm interceptor 23. Minimum airgap for over rim bath fillers and other fixtures with 10. The branch interval is a length of soil or waste stack effective openings not greater than 25mm in diameter and not corresponding in general to a story height, but in no case less affected by side walls. than a. 76mm c. 51mm a. 3m c. 2.5m b. 25mm d. 38mm b. 2.43m d. 3.25m 24. Minimum airgap for openings not greater than 25mm in 11. What do you call a vertical vent that is a continuation of a diameter not affected by walls. drain to which it is connected. a. two (2) times diameter of effective opening a. loop vent c. yoke vent b. three (3) times diameter of effective opening b. circuit vent d. continuous vent c. four (4) times diameter of effective opening PLUMBING ARITHMETIC (10%) PREPARED BY: Pre-board examination IVAN DIOSO, RCE, RMP Duration: 2hrs d. five (5) times diameter of effective opening 36. A refrigerator used to store food and that requires drainage shall be drained by means of___________. 25. Minimum airgap for openings not greater than 25mm in a. indirect waste pipe diameter affected by walls. b. direct connection a. two (2) times diameter of effective opening c. no drain required b. three (3) times diameter of effective opening d. grease trap c. four (4) times diameter of effective opening d. five (5) times diameter of effective opening 37. The water demand for shower head is a. 7 gpm c. 10 gpm 26. It consists of two independently acting internally or externally b. 5 gpm d. 12 gpm loaded check valves, four properly located test cocks with connector’s and two isolation gate valves. 38. The minimum building supply pipe size allowed by the code a. atmospheric vacuum breaker for water is b. pressure vacuum breaker backflow prevention assembly a. ½ inch c. ¼ inch c. double check valve backflow prevention assembly b. ¾ inch d. 1 inch d. reduced pressure principle 27. Bell and Spigot and Hubless pipe shall be supported at _________. a. every one (1) meter. 39. A vertical pipe to convey main waste b. every one full storey height a. vent pipe b. main stack c. every 1.2 meters at center with a rigid vertical back up. b. soil pipe d. waste pipe d. every storey or at maximum intervals of 3 meters on center. 40. A set of regulation adapted by an administrative agency that has jurisdiction over materials and design 28. A water system containing a water heater will require specification in plumbing a. mixing Valve a. National Structural Code of the Philippines b. pressure relief valve b. building code c. check valve c. plumbing code d. heat water return line d. code of ethics 29. Transition shall be made when connecting plastic pipe to 41. The lowest piping system that receives the discharge other types of piping with ________. from soil waste and other drainage pipe a. soldered joint a. waste pipe c. building sewer b. caulked joint b. soil pipe d. building drain c. fittings and adapters d. compression flange 42. Upon issuance of plumbing permit, plumbing installation shall commence within 30. Which of the following characteristics should a Roofing Joint a. 120 days c. 6 months be. b. 1 year d. no limit a. water tight c. gas tight b. air tight d. smoke tight 43. A term used which is contrary to the sanitary principles or injurious to health is 31. Which of the following does NOT define fixtures as a Quality a. dirty c. healthy Fixture? b. insanitary d. unhealthy a. smooth surface b. impervious surface 44. Number of water closet that are allowed on any vertical c. free from unnecessary concealed fouling surface pipe or stack d. none of the above a. Four (4) c. Five (5) b. Six (6) d. Three (3) 32. All porcelain enamel surfaces on plumbing fixtures shall be: a. water resistant 45. A watertight receptacle that receives sewage is b. acid resistant a. water tank c. cesspool; c. scratch resistant b. cistern tank d. septic tank d. shock resistant 46. Changes in direction at copper tubing maybe made with 33. Sizes of Vertical and Horizontal Drainage Pipes shall be a. bending equipment determined from b. plastic fittings a. type of building c. metallic fittings b. type of occupancy d. prepare torch c. location of fixtures d. total fixture units 47. The “Plumbing Law” is in accordance with the a. R.A. 1378 c. R.A. 1738 34. A drain connecting the compartments of a certain fixture to its b. R.A. 1873 d. R.A. 1387 trap is called a. combination waste and vent 48. Plumbing plans, drawings and diagrams shall be b. continuous waste submitted in ____ set/s c. special waste a. 1 set c. 3 sets d. indirect waste b. 6 sets d. 2 sets 35. Request for inspection by the master plumber to the 49. If the plumbing work authorized is suspended or Administrative Authority is required to be made advance at abandoned, how many days shall be the plumbing least before the work to be tested permit will be considered null an void? a. 72 hours a. 60 days c. 90 days b. 24 hours b. 120 days d. 150 days c. 36 hours d. 48 hours 50. In case of renewal of plumbing permit, how much fee shall be paid? PLUMBING ARITHMETIC (10%) PREPARED BY: Pre-board examination IVAN DIOSO, RCE, RMP Duration: 2hrs a. one half of the original fee a. 551 KPa c. 552 KPa b. one fourth of the original fee b. 553 KPa d. 554 KPa c. double of the original fee d. triple of the original fee 62. Each family dwelling unit on premises abutting on a sewer or with a private sewer-disposal system shall have at least 51. What is the minimum slope/grade required on horizontal a. 2 water closet and 1 kitchen type sink drainage pipe lines b. 1 water closet and 2 kitchen type sink a. 3 percent c. 4 percent c. 2 water closet and 2 kitchen type sink b. 5 percent d. 2 percent d. 1 water closet and 1 kitchen type sink 52. Located at the lower end of the pump used to prevent lost of priming the pump? 63. All pipings passing under or through walls shall be protected a. foot valve c. gate valve from breakage with embedded _____________. b. angle valve d. globe valve a. concrete pipe metal sleeves b. PVC pipe sleeves 53. Is a drain from two or three fixtures connected to a single c. metallic pipe sleeves trap? d. none of the above a. circuit vent c. common vent b. branch vent d. continuous vent 64. No _____________ shall be located in a room or compartment, which is not properly lighted & ventilated. 54. Is a sewer line or system directly controlled by public a. catch basin c. lavatory authority? b. bibb d. water closet a. main sewer c. sanitary sewer b. private sewer d. house sewer 65. Any pipe which conveys the discharge of water closet, urinal or fixtures having similar functions. 55. Pipe flange that is not drilled for bolt holes a.blind flange c. split flange a. waste stack c. soil pipe c blank flange d. point flage b. main stack d. riser 56. Urinal shall not be closer to _____meter center to center 66. How many urinals shall be placed in a dormitory serving 150 distance persons a. 0.6m c. 0.5m a. 2 urinals c. 1 urinal b. 0.75m d. 0.3m b. 3 urinals d. no urinal 57. Which of the following statement is NOT true. 67. No water closet shall be located in a room or compartment a. No fitting having more than one inlet at the same level which is not properly lighted and ventilated shall be used unless such fitting is constructed so that a. principle no 4 c. principle no 8 the discharge from one inlet cannot readily enter into the b. principle no 16 d. principle no 20 other inlet. b. Vertical installation of DOUBLE SANITARY TEE may be 68. Plumbing shall be designed and adjusted to use the minimum used when the barrel of the fitting is at least the same quantity of water consistent with proper performance and size of the largest side inlet. cleaning c. Horizontal drainage lines connecting to a vertical stack a.. principle no 1 c. principle no 2 shall enter through a 45 deg. or 60 deg. wye branches, b. principle no 3 d. principle no 4 combination wye and 1/8 bend branches, sanitary tee or other approved fittings of longer sweeps. 69. Sand interceptors are required whenever the Administrative d. All piping passing under or through wall shall be Authority deems it advisable ti gave a sand interceptor to protected from breakage with embedded metal pipe protect the ________. sleeves. a. catch basins c. drainage system b. water supply system d. vent system 58. The following provisions are exemptions in the installation of Horizontal Drainage pipes which cannot afford a 2% grade 70. A storm drainage sometimes located under the basement towards point of disposal, except: floor within the walls of the building a. Excessive depth of the proposed drainage line. a. inside storm drain b. Pressure created by the flow of sewage. b. outside storm drain c. Structural or geo- technical features of the terrain. c. house sewer d. Existing adverse in arrangement of the building or d. inside sewer structure. 71. No clinical toilet shall be installed in any building unless it is 59. Which of the following statement is correct: first approved by. a. union is similar to a coupling. a. health officer b. adapter is used to connect pipes in a straight running b. civil engineer pipes but different in elevation. c. barangay captain c. nipple is a fixture with an outside thread in both ends. d. safety officer d. socket is used to close the end of the pipes. 72. Vent pipes may offset horizontally when the distance above the extreme flow level of the fixture is atleast 60. Wastewater drain for _________ cupsink at church altar & a. 1 inch c. 2 inches baptisteries font outlet shall discharge direct to the ground & b. 5 inches d. 6 inches not connected to any sanitary or drainage system. a. holy sink c. lavatory 73. An automatic fill device, most commonly found in toilet tanks b. sacrarium d. baptismal shrine a. globe valve c. ballcock b. butterfly valve d. gate valve 61. Water pressure greater than ____ KPa is considered as excessive water pressure. PLUMBING ARITHMETIC (10%) PREPARED BY: Pre-board examination IVAN DIOSO, RCE, RMP Duration: 2hrs 74. A tee with branch tapped to receive a threaded pipe or 88. Drains shall have a waterway equivalent area of the fittings “tailpiece” – meaning, the sum of all the areas of the a. branch tee perforation of the strainer is equivalent to the outlet area. b. closed tee a. Strainers serving bathub c. threaded tee b. Strainers serving shower d. tapped tee c. Strainers serving lavatory d. None of the above 75. According to existing plumbing code sat iron pipes, weld steel pipes, vertified clay, concrete and asbestos pipe shall 89. According to National Plumbing Code of the Philippines what conform to standard other than Philippine standard a. ANSI c.. AISC is the equivalent water supply fixture units for stall urinal b. ASTM d. API a. 3 c. 4 b. 5 d. 6 76. The national Plumbing Code was approved? a. June 18, 1955 c. June 18, 1954 90. According to National Plumbing Code of the Philippines what b. January 28, 1959 d. January 18, 1956 is the equivalent water supply fixture units for W.C. Flush Tank for public use 77. Fire prevention month? a. 3 c. 4 a. January c. February b. 5 d. 6 b. March d. April 91. According to National Plumbing Code of the Philippines what 78. Always located near the stairs for use by firemen in case of is the equivalent water supply fixture units each head of fire? shower for public use a. standpipe c. pump a. 3 c. 4 b. firehose d. fire tank b. 5 d. 6 79. Roof joint shall be a. gas and water tight 92. According to National Plumbing Code of the Philippines what b. air tight is the equivalent water supply fixture units for Bidet for public c. smoke tight use d. water tight a. 3 c. 4 b. 5 d. 6 80. The minimum pressure that should be maintained for fixtures containing flush tank supplies shall 93. According to National Plumbing Code of the Philippines what a. 8psi c. 4.34 psi is the equivalent water supply fixture units for W.C. Flush b. 15 psi d. 0.434psi Tank for public use a. 3 c. 4 81. Septic tank should be at least _________meters away from b. 5 d. 6 any source of water supply wells a. 5m c. 10m 94. According to National Plumbing Code of the Philippines what b. 15m d. 20m is the equivalent water supply fixture units for hose bibb for public use 82. A pipe between the water meter to the fixtures a. 3 c. 4 a. soil pipe c. distribution pipe b. horizontal pipe d. service pipe b. 5 d. 6 83. Minimum of number of water closet required at office 20 95. According to National Plumbing Code of the Philippines what persons is the drainage fixture units for bath tub a. 1 c. 2 a. 2 c. 4 b. 3 d. 4 b. 8 d. 6 84. Potable Water Make Up Connection to steam or Hot Water 96. According to National Plumbing Code of the Philippines what Boiler shall be provided with a listed ____________. is the drainage fixture units for public installation of water a. backflow protection assembly closet b. water-cooled equipment a. 2 c. 4 c. flushometer valve b. 3 d. 6 d. boiler blow off 97. According to National Plumbing Code of the Philippines what 85. Combination of two chemical elements called hydrogen and is the drainage fixture units for service sink oxygen a. 2 c. 4 a. ice c. water b. 3 d. 6 b. liquid d. hydrogen 86. A hose fitting with clapper valves for combining the flow from 98. According to National Plumbing Code of the Philippines what two or more lines of hose into a single stream is the drainage fixture units for Laundry Tubs a. shielded coupling a. 2 c. 4 b. siamese connection b. 3 d. 6 c. soldered joint 99. According to National Plumbing Code of the Philippines what d. slip joint is the drainage fixture units for floor drain a. 2 c. 4 87. An electrically or mechanically operated device used to b. 3 d. 6 elevate sewage and liquid waste from a lower level to a point of discharge into a sewer or other disposal system 100. ________ shall be considered only as a temporary expedient a. ejector c. ram pending the construction of public sewer. b. compressor d. pressure a. water tank c. cesspool b. cistern tank d. septic tank