Backflow multiple choice test #1 questions with
accurate answers
A parallel side-by-side backflow prevention assembly installation as
desired in order to Ans✓✓✓ Allow for testing and maintenance
And effective cross connection control program requires the complete
cooperation of the following Ans✓✓✓ Water purveyor health agency
plumbing inspector plumber and the consumer
Before testing a reduce pressure backflow prevention assembly you
noticed relief vent is spitting periodically this is caused by Ans✓✓✓
Line pressure fluctuation
Before testing a reduced pressure backflow prevention is so were you
notice red water discharging from the reef well you should first
Ans✓✓✓ Turn off the number one and number two shut off valves
immediately
He reduce pressure principal backflow preventer must be installed so
that the relief of it is at least how far above the floor Ans✓✓✓ 12inches
How do you determine whether #2 Shut off valve is leaking while
testing a reduced pressure principal assembly Ans✓✓✓ Relief valve
does not want to open
, If back pressure is applied to a reduced pressure principal backflow
preventer the relief valve should Ans✓✓✓ Open only if second check
valve is failed
If pressure at the Watermain is 60 PSI what is the static pressure in the
plumbing faucet 40 feet above the main Ans✓✓✓ 42.7 psi
If the relief valve vent of AARP starts to drip after turn off shut off valve
#2 this indicates Ans✓✓✓ Check valve #1 leaks
In approved Errgott must have at least __________of free air space
Ans✓✓✓ A minimum of two pipe diameter of the supply pipe or 6
inches which ever is lesser
In assembly consisting of to check valves and I differential relief valve
located between the two check valves is an Ans✓✓✓ Reduce pressure
principal assembly
In assembly consisting of two internally loaded check valves is a
Ans✓✓✓ Double check valve assembly
Should a customer refused to install a backflow prevention assembly at a
service connection where a potential health hazard exist the water prayer
should have the authority to Ans✓✓✓ Discontinue water service
accurate answers
A parallel side-by-side backflow prevention assembly installation as
desired in order to Ans✓✓✓ Allow for testing and maintenance
And effective cross connection control program requires the complete
cooperation of the following Ans✓✓✓ Water purveyor health agency
plumbing inspector plumber and the consumer
Before testing a reduce pressure backflow prevention assembly you
noticed relief vent is spitting periodically this is caused by Ans✓✓✓
Line pressure fluctuation
Before testing a reduced pressure backflow prevention is so were you
notice red water discharging from the reef well you should first
Ans✓✓✓ Turn off the number one and number two shut off valves
immediately
He reduce pressure principal backflow preventer must be installed so
that the relief of it is at least how far above the floor Ans✓✓✓ 12inches
How do you determine whether #2 Shut off valve is leaking while
testing a reduced pressure principal assembly Ans✓✓✓ Relief valve
does not want to open
, If back pressure is applied to a reduced pressure principal backflow
preventer the relief valve should Ans✓✓✓ Open only if second check
valve is failed
If pressure at the Watermain is 60 PSI what is the static pressure in the
plumbing faucet 40 feet above the main Ans✓✓✓ 42.7 psi
If the relief valve vent of AARP starts to drip after turn off shut off valve
#2 this indicates Ans✓✓✓ Check valve #1 leaks
In approved Errgott must have at least __________of free air space
Ans✓✓✓ A minimum of two pipe diameter of the supply pipe or 6
inches which ever is lesser
In assembly consisting of to check valves and I differential relief valve
located between the two check valves is an Ans✓✓✓ Reduce pressure
principal assembly
In assembly consisting of two internally loaded check valves is a
Ans✓✓✓ Double check valve assembly
Should a customer refused to install a backflow prevention assembly at a
service connection where a potential health hazard exist the water prayer
should have the authority to Ans✓✓✓ Discontinue water service
