bfp quiz 1

a double check bfp test and maintenance report shall include all of the following except

• address of the installation

• serial number of the assembly

• test result of check valve 1

• test result of check valve 2

• differential pressure relief valve discharge reading

the by-pass line of an approved bfp assembly must include an approved assembly of equal

• corrosion resistance

• flow capacity

• protection

• size

an atmospheric vacuum breaker shall not be subjected to water pressure for periods more than

• 12 hours

• 24 hours

• 8 hours

• 48 hours

it is possible for a perfect vacuum at sea level to raise water approximately __________ feet

• 25

• 34

• 38

• 12

what term describes a high hazard (health hazard) resulting from backflow

• isolation

• cross-connection

• contamination

• pollution

the degree of hazard is

• the acceptable temperature range of non-potable water

• the angle of the backflow preventer

• based upon the quality of non-potable water source

• distance of backflow from ground

backflow may be described as either:

• backpressure or backsiphonage

• containment or isolation

• direct or indirect

• hi temp or low temp

how many inches must pvb be above downstream openings

• 6

• 12

• 24

• 18

what does the #1 check on a reduced pressure principle assemble have to close tight at or above?

• 5 psi

• 3 psi

• 2 psi

• 1 psi

what is the maximum allowable pressure loss across a double check valve assembly?

• 5 psi

• 10 psi

• 15 psi

• 1 psi