What backflow prevention device has a moving element that prevents water from spilling during flow?
a) pressure vacuum breaker
b) double check valve
c) atmospheric vacuum breaker
d) pressure relief valve
e) air gap
Answer: C
What backflow prevention device has a moving element that prevents water from spilling during flow?
a) pressure vacuum breaker
b) double check valve
c) atmospheric vacuum breaker
d) pressure relief valve
e) air gap
Answer: C