Bcit STUDY BCWWA Exam Quizzes with
Correct Verified Answers
The Check Valves of a Double Check Valve Assembly must be :
Internally Loaded
Which of the following backflow preventers offers effective protection under
backsiphonage conditions only and can also be subjected to constant full line pressure ?
Spill Resistant Type Pressure Vacuum Breaker
Which of the choices is best described as " a flow of water or other liquids back into the
potable water supply due to a negative or reduced pressure in the supply piping ? "
Backsiphonage
A residential " partial flow through " type fire sprinkler / standpipe system is designed to
circulate water in what portion ( s ) of the water system ?
Sprinkler system main
The factory loaded spring tensions of the first and second check valves found in a Reduced
Pressure Principle Backflow Assembly are always :
Pre - loaded different from one another
An Air Gap must be :
Twice the pipe diameter with a minimum of 1 inch separation
Upon completing test number one of a Double Check Valve Assembly , when using a
differential pressure gauge in what position are the shut off valves for the next test ?
, Shutoff valve # 1 is open and shutoff valve # 2 is closed
According to the AWWA Canadian CCC manual , the minimum vertical distance from the
bottom of a RP's relief valve to the finished floor level should be ?
300 mm ( 12 " )
The Dual Check Valve can be used to isolate which one of the following applications ?
Residential potable water systems with a minor degree of hazard
Backflow prevention assemblies shall be field tested to a minimum of :
Annually
preventers be installed before a fixed platform is to be provided below the assembly ? To
what maximum centerline height ( from the finished floor ) must testable backflow
1500 mm ( 5 ' )
Which backflow preventer contains a float check , a check seat and an air inlet poppet ?
Atmospheric Vacuum Breaker
The Pressure Vacuum Breaker Assembly may be used for backflow protection for which of
the following conditions ?
Backsiphonage ; severe hazard
How many test cocks are there on a Spill Resistant Type Pressure Vacuum Breaker
Assembly ?
One
Correct Verified Answers
The Check Valves of a Double Check Valve Assembly must be :
Internally Loaded
Which of the following backflow preventers offers effective protection under
backsiphonage conditions only and can also be subjected to constant full line pressure ?
Spill Resistant Type Pressure Vacuum Breaker
Which of the choices is best described as " a flow of water or other liquids back into the
potable water supply due to a negative or reduced pressure in the supply piping ? "
Backsiphonage
A residential " partial flow through " type fire sprinkler / standpipe system is designed to
circulate water in what portion ( s ) of the water system ?
Sprinkler system main
The factory loaded spring tensions of the first and second check valves found in a Reduced
Pressure Principle Backflow Assembly are always :
Pre - loaded different from one another
An Air Gap must be :
Twice the pipe diameter with a minimum of 1 inch separation
Upon completing test number one of a Double Check Valve Assembly , when using a
differential pressure gauge in what position are the shut off valves for the next test ?
, Shutoff valve # 1 is open and shutoff valve # 2 is closed
According to the AWWA Canadian CCC manual , the minimum vertical distance from the
bottom of a RP's relief valve to the finished floor level should be ?
300 mm ( 12 " )
The Dual Check Valve can be used to isolate which one of the following applications ?
Residential potable water systems with a minor degree of hazard
Backflow prevention assemblies shall be field tested to a minimum of :
Annually
preventers be installed before a fixed platform is to be provided below the assembly ? To
what maximum centerline height ( from the finished floor ) must testable backflow
1500 mm ( 5 ' )
Which backflow preventer contains a float check , a check seat and an air inlet poppet ?
Atmospheric Vacuum Breaker
The Pressure Vacuum Breaker Assembly may be used for backflow protection for which of
the following conditions ?
Backsiphonage ; severe hazard
How many test cocks are there on a Spill Resistant Type Pressure Vacuum Breaker
Assembly ?
One
