Which of the following backflow prevention methods is approved for all hazards?
A) air gap
B) atmospheric-type vacuum breaker
C) double check valve assembly
D) pressure-type vacuum breaker
Correct Answer:
Verified
Q2: A polluted system may be referred to
Q3: In general, backflow prevention devices should not
Q4: Which backflow prevention method is considered the
Q5: Dishwashers have a(n) _ as an internal
Q6: Give one location where an RPZ backflow
Q8: _ backflow is a reversal of normal
Q9: The minimum distance for an air gap
Q10: If a faucet with a 1/2" opening
Q11: _ backflow is a reversal of normal
Q12: The air gap is the best cross-connection
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