Water Flashcards
(15 cards)
What does DWV mean?
Drain, waste, vent
Why is ABS piping used in the RV industry?
It resists impact in cold temperature
If a customer complains of lukewarm water at one or more hot faucets
A bypass valve might be partially open or failed
Sealants used when building city water test kits should
Be for potable water
How long do demand system and air pressure tests last?
10 minutes
NFPA 1192 requires potable water tanks to be _____, _____, and _____ before use.
Sanitized, flushed, drained
When de-winterizing, what is the purpose of opening the faucet in the coach?
Let air into the system
Choose from _____ grades of antifreeze that are suitable for the _____ when winterizing.
2; temperature
An anti-siphon trap device can be substituted for a
Secondary vent
When an RV is equipped with a liquid waste holding system, a _____ test should be performed for 15 minutes during a fixture flood test.
Static water
When conducting PDI of a waste water system, conduct a flow test _____ a flood test.
Before
Main drain termination area is how long ?
22.5 ft Max
Sewage wastewater holding tanks can receive discharge from
Any number of RV fixtures
Which test requires the entire drainage system, including holding tanks, to be filled until water appears at the bottom of the lowest fixture on each system?
Fixture flood test
What is checked last during a flow test?
Leaks
