backflow exam question with accurate answers
1974 Ans✓✓✓ clean water act
a backflow preventer installed prior to any branch in the piping system is
known as Ans✓✓✓ containment assembly
a cross connection may be a permanent piping arrangement or a
Ans✓✓✓ temporary hose Bibb connection
a deck mounted avbs critical installation level is above the outlet usage
by Ans✓✓✓ 1 in (2.5cm)
a differential pressure gauge readibg of 0.2 psid is represented on a
water coloumn sight tube by Ans✓✓✓ 5.5in (14cm)
a direct cross connection suggests the piping system may be subjected to
Ans✓✓✓ back pressure or backsiphonage
a double check detector assembly installed on a antifreeze loop area
requires Ans✓✓✓ replacement
a double check valve assembly is installed 12 inches above the floor for
Ans✓✓✓ maintenance
, a dual check Ans✓✓✓ device
a hose bib connection is required to have a permanently installed
Ans✓✓✓ atmospheric vacuum breaker
a hose connection garden sprayer uses a veturi to allow pesticides to mix
from Ans✓✓✓ aspiration
a laboratory faucet vacuum breaker must contain Ans✓✓✓ two
independently acting check valves
a low hazard use only backflow preventer is a Ans✓✓✓ double check
a pipes restrictions flow velocity increase may allow Ans✓✓✓
aspiration
a pvb may have...on the assemblys discharge Ans✓✓✓ irrigation
sprinklers
a submerged atmospheric vacuum breaker may be considered a
Ans✓✓✓ cross connection
according to the manufacturers instructions valve levers on a t&p relief
valve should be operated at least Ans✓✓✓ every 12 months
1974 Ans✓✓✓ clean water act
a backflow preventer installed prior to any branch in the piping system is
known as Ans✓✓✓ containment assembly
a cross connection may be a permanent piping arrangement or a
Ans✓✓✓ temporary hose Bibb connection
a deck mounted avbs critical installation level is above the outlet usage
by Ans✓✓✓ 1 in (2.5cm)
a differential pressure gauge readibg of 0.2 psid is represented on a
water coloumn sight tube by Ans✓✓✓ 5.5in (14cm)
a direct cross connection suggests the piping system may be subjected to
Ans✓✓✓ back pressure or backsiphonage
a double check detector assembly installed on a antifreeze loop area
requires Ans✓✓✓ replacement
a double check valve assembly is installed 12 inches above the floor for
Ans✓✓✓ maintenance
, a dual check Ans✓✓✓ device
a hose bib connection is required to have a permanently installed
Ans✓✓✓ atmospheric vacuum breaker
a hose connection garden sprayer uses a veturi to allow pesticides to mix
from Ans✓✓✓ aspiration
a laboratory faucet vacuum breaker must contain Ans✓✓✓ two
independently acting check valves
a low hazard use only backflow preventer is a Ans✓✓✓ double check
a pipes restrictions flow velocity increase may allow Ans✓✓✓
aspiration
a pvb may have...on the assemblys discharge Ans✓✓✓ irrigation
sprinklers
a submerged atmospheric vacuum breaker may be considered a
Ans✓✓✓ cross connection
according to the manufacturers instructions valve levers on a t&p relief
valve should be operated at least Ans✓✓✓ every 12 months
