Residential Plumbing Exam Questions with Correct Answers

Residential Plumbing Exam Questions with Correct Answers T/F: This course only addresses code-related violations regarding plumbing fixtures. - Answer-False "Plumbing" comes from the Latin word "plumbum," which means ___________. "toilet" "water system" "lead" - Answer-"lead" T/F: Contamination can affect water's potability. - Answer-True According to the InterNACHI Standards of Practice, the inspector is required to _______ all the toilets. unbolt and lift use flush clean - Answer-flush Determining the location of the main water supply shut-off valve is _____ the scope of a home inspection. not part of beyond within - Answer-within T/F: The inspector must examine a home for polybutylene plumbing. - Answer-False Acrylonitrile butadiene styrene is sometimes abbreviated as: ABS A-S Level Butadiene Mix - Answer-ABS The unobstructed vertical distance through the free atmosphere between an outlet and the rim best describes ___________. an air gap in the drainage system a connection problem an indirect drainage space the best way to vent contaminated water - Answer-an air gap in the drainage system Air-admittance valves protect traps from _________. clogging leaking admitting air into the vent pipe siphonage admitting water into the drainpipe - Answer-siphonage Where do gasses escape a sanitary drainage system? a supply vent a vent stack an air-admittance valve a sewer drainpipe - Answer-a vent stack