1
Q
How often do cross connection controls be re certified
A
Every 5 years
2
Q
Atmospheric vacuum breakers are used when
A
Non toxic and no lethal
3
Q
What hazard level is a double check valve assembly used for
A
Moderate
4
Q
What hazard level for reduced pressure device
A
Severe
5
Q
How many check valves does reduced pressure device have
A
2
6
Q
How many check valves does a pressure vacuum breaker have
A
1
7
Q
Atmospheric vacuum breaker shall not be used when under continuous flow for more than how long
A
12 hours
8
Q
Reduced pressure principal stops what
A
Back pressure and back siphonage
9
Q
An atmospheric vacuum breaker shall not be installed lower than what above the flood level rim
A
12 inch
Water Supply
flashcards
Decks in class (4)
# Cards
