LET REVIEWER DAILY: TLE MAJOR

1) A person who installs pipes, fixtures and other apparatus to convey and supply water in buildings and to dispose and discharge waste water. a. Carpenter b. Plumber c. Mason d. Mechanic 2) It is a receptacle or vault used to collect organic waste discharged from the house sewer. a. Septic tank b. Manhole c. Water tank d. Waste tank 3) The semi-liquid substance accumulated at the bottom of the septic tank. a. Scum b. Sediment c. Sludge d. Silt 4) An underground tunnel that carries off the drainage and waste matter from a home or town is called: a. Drainage system b. Fixture c. Sewerage d. Sewer 5) The pipe that conveys waste from various fixture other than from the water closet. a. Waste pipe b. Soil pipe c. Vent pipe d. Drain pipe 6) It is a fitting or device that provides liquid seal to prevent the back passage of air. a. Loop b. Fixture c. Sewer d. Trap 7) The tools used to tighten or loosen hexagonal fittings like unions and other metal fittings. a. Pipe vise b. Pliers c. Wrenches...

51) If you install a soil pipe, what is the standard pitch or slope? a. 5% b. 10% c. 2% d. 1% 52) If you put source of potable water, what is the minimum safe distance from the septic tank? a. 15 meters b. 10 meters c. 5 meters d. 20 meters 53) No cesspool, septic tank or drain fields shall be located within how many meter radius from the well? a. 15 meters b. 10 meters c. 50 meters d. 45 meters 54) If you plan to drill for a well that can supply water for public use, what is the minimum meter radius from a well to the residences? a. 150 meters b. 100 meters c. 50 meters d. 200 meters 55) Every trap for bath tubs, lavatories, sink, and other similar fixture shall be _________. a. self-regulating b. tight c. fix d. self cleaning 56) There should be no concrete sanitary sewers existing within how many meter radius from the well? a. 15 meters b. 10 meters c. 50 meters d. 45 meters 57) The standard length of a PVC pipe is _________. a. 12 ft. b. 2.0 m c. 6.0 m d. 10 ft. 58) If you want to ...

41) In which type of pipes does portable water travel a. ABS pipes b. Galvanized pipes c. Cast iron pipes d. PVC pipes (orange) 42) If your water system has leak, where can you shut off the flow of water? a. Gate valve b. Globe valve c. Check valve d. Angle valve 43) A plumber wants to install a liquid seal to prevent sewer gasses from entering the building. What device is needed? a. Union b. Trap c. Backflow preventer d. Pump 44) A plumber wants to shut off the flow of water just 90 degrees turn. Which valve is appropriate? a. Gate valve b. Globe valve c. Check valve d. Angle valve 45) What do you call those flexible waterproof ribbon for covering threaded pipes joints to prevent leakage? a. Rubber bond b. Masking tape c. Teflon tape d. Tape 46) If the end of a PVC pipe is fitted with a male adopter, what fitting will be used to stop the flow of the water? a. Elbow b. Coupling c. Cap d. Plug 47) How many PVC pipes can be installed in a 7.50 meter distance? a. 2 pcs. b. 2.5 pcs. c. 3 p...

  31) The following are examples of plumbing fixtures, EXCEPT: a. water closet b. drainage c. shower d. urinals 32) Which statement is NOT true about plumbing standards based on Republic Act 1378 which is known as "Plumbing Law"? a. Each fixture directly connected to the drainage system shall be equipped with a water-sealed trap. b. Plumbing shall be designed and adjusted to use the maximum quantity of water consistent with proper performance and cleaning. c. Water closet must be located in a room which is properly lighted and ventilated. d. No substance which will clog the pipes, produce explosive mixtures, destroy the pipes or their joints or interfere unduly with the sewage disposal process shall be allowed to enter the building drainage system. 33) A compartment that receives solid or liquid waste, located below the normal grade of the gravity system is called ________. a. septic b. sump c. trap d. interceptor 34) Which is true toxic substance? a. Hazardous to human healt...