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1. Cleanouts Should be provided in which locations ? - ANSWER -at the
connections of buildings sewer and building drain
- at all 90 degrees changes in direction
-at the base of all vertical soil or waste stacks
-upper terminal of all horizontal branch drain
2. Which of the following? materials are commonly used for manufactured P-
Trap - ANSWER -Chrome plated tubular brass
-DWV Plastic
3. Which of the following cities was the first to have an integrated system of
cold and hot water supply, sewers and adequate sanitary systems? -
ANSWER -Rome
4. A vent terminal should be located at least _____ from windows, doors or
other ventilation openings - ANSWER -10'
5. Which country first produced toilets? - ANSWER England
, 6. ______ Civilization was the first to use sewer systems - ANSWER Indus
Valley
7. Which of the following are reasons for keeping storm drains and sanitary
drains separate in a plumbing systems? - ANSWER -to prevent sewage
from contaminating stormwater and vise versa
-to reduce the load on wastewater treatment facilities during heavy rainfall
8. AAV stands for - ANSWER Air Admittance Valve
-when you can get air into your roof
-doesn't allow to get out
9. Why are cleanouts installed in a plumbing system? - ANSWER to allow
access for clearing blockages and performing maintenance
10.What is/are a part of Sanitary Sewer Systems - ANSWER -ptrap
-drains
-sump pump
-clean outs
11.Horizontal drainage piping is typically graded _____ per ft of run to provide
adequate drainage - ANSWER -1/4''
-1/8''