1. It is the lowest horizontal piping of a plumbing system which receives the waste discharge.a.house sewerb.house trapc.house draind.Correct answer is not one of the choices2. The developed length of a water closet trap arm, measured from its floor flange to to inneredge of its vent, should not be more than _____ feet.3. A vertical pipe that doesn't carry any waste and its main purpose is to regulate air pressure throughout the plumbing system; usually runs parallel with the soil or waste stack and extend up through the roof or connect to a soil stack extension above the highest horizontal soil branch pipe.4. In what instance should a cleanout be located?
sewer connectiond.At every 1.50 meters to a horizontal run of a soil or waste pipe5. All plumbing fixtures shall be set up or installed with a direct connection to a drain, soil or waste pipe, EXCEPT ONE.a.bar sinkb.lavatoryc.bath tubd.kitchen sink6. Which of these fixtures does not require a plumbing trap?7. If the horizontal drain piping of a residence has a run of 10 meters, what will be its dip toward the point of disposal.
8. This type residential storm drainage system requires the digging of deep ditches and the installation of underground perforated pipes.9. It prevents sewage system odors, gases, and vermin (mice, insects, etc.) from entering the living or work space.a.trap sealb.plumbing trapc.pipe plugd.pipe clean-out