BACK FLOW TEST QUESTIONS AND
ANSWERS WITH COMPLETE
SOLUTIONS 100% COMPLETE
SOLUTIONS 100% CORRECT RATED A+
B. Backflow
Answer: The unintentional reversal of flow in a potable water system, which may
result in contamination or pollution of the system.
Choices:
A. Cross connection
B. Backflow
C. Backpressure backflow
D. Backsiphonage backflow
D. Isolation backflow device
Answer: A device installed in the potable water supply to a system that contains a
pollutant or contaminant to prevent backflow into the potable water system within
the facility.
Choices:
A. Backflow
B. Backflow prevention device
C. Backflow pressure backflow
D. Isolation backflow device
A. Health Hazard (Low)
Answer: A connection made to the potable water system whereby the risk from
backflow occurring would be limited to the pollution of the potable water with
objectionable but non-toxic substances.
Choices:
A. Health hazard (Low)
B. Health hazard (High)
C. Pollution
D. Contamination
,A. Backflow prevention device
Answer: Any device, method, or construction used to prevent the backward flow
of liquids, solids, or gases into the potable distribution system.
Choices:
A. Backflow prevention device
B. Air gap
C. Isolation backflow device
D. Backsiphonage backflow
D. atmospheric vacuum breaker -ANSWER✔✔A mechanical device consisting of
a float check valve and an air inlet port designed to prevent backsiphonage
A. back flow
B. pollution
C. air gap
D. atmospheric vacuum breaker
C. backsiphonage backflow -ANSWER✔✔The reversal of normal flow in a
system caused by a negative pressure (vacuum or partial vacuum) in the supply
piping.
A. atmostpheric vacuum breaker
B. backflow
C. backsiphonage backflow
D. backpressure backflow
B. pollution -ANSWER✔✔Does not constitute an actual health hazard although
the quality of the water is impaired with respect to taste, odor, or utility.
A. health hazard (high)
B. pulution
, C. degree of hazard
D. toxic substance
D. toxic substance -ANSWER✔✔Any liquid, solid, or gas, which when introduced
into the water supply, creates, or may create, a danger to the health and well being
of the consumer.
A. contamination
B. Health hazard (high)
C. health hazard (low)
D. toxic substance
A. degree of hazard -ANSWER✔✔A determination on whether the substance in
the nonpotable system is toxic or nontoxic
A. degree of hazard
B. health hazard (high)
C. health hazard (low)
D. toxic substance
A. air gap -ANSWER✔✔The unobstructed vertical distance through the free
atmosphere between the lowest opening from any pipe or outlet supplying water to
a tank, and plumbing fixture.
A. air gap
B. submerged inlet
C. backflow
D. cross connection
ANSWERS WITH COMPLETE
SOLUTIONS 100% COMPLETE
SOLUTIONS 100% CORRECT RATED A+
B. Backflow
Answer: The unintentional reversal of flow in a potable water system, which may
result in contamination or pollution of the system.
Choices:
A. Cross connection
B. Backflow
C. Backpressure backflow
D. Backsiphonage backflow
D. Isolation backflow device
Answer: A device installed in the potable water supply to a system that contains a
pollutant or contaminant to prevent backflow into the potable water system within
the facility.
Choices:
A. Backflow
B. Backflow prevention device
C. Backflow pressure backflow
D. Isolation backflow device
A. Health Hazard (Low)
Answer: A connection made to the potable water system whereby the risk from
backflow occurring would be limited to the pollution of the potable water with
objectionable but non-toxic substances.
Choices:
A. Health hazard (Low)
B. Health hazard (High)
C. Pollution
D. Contamination
,A. Backflow prevention device
Answer: Any device, method, or construction used to prevent the backward flow
of liquids, solids, or gases into the potable distribution system.
Choices:
A. Backflow prevention device
B. Air gap
C. Isolation backflow device
D. Backsiphonage backflow
D. atmospheric vacuum breaker -ANSWER✔✔A mechanical device consisting of
a float check valve and an air inlet port designed to prevent backsiphonage
A. back flow
B. pollution
C. air gap
D. atmospheric vacuum breaker
C. backsiphonage backflow -ANSWER✔✔The reversal of normal flow in a
system caused by a negative pressure (vacuum or partial vacuum) in the supply
piping.
A. atmostpheric vacuum breaker
B. backflow
C. backsiphonage backflow
D. backpressure backflow
B. pollution -ANSWER✔✔Does not constitute an actual health hazard although
the quality of the water is impaired with respect to taste, odor, or utility.
A. health hazard (high)
B. pulution
, C. degree of hazard
D. toxic substance
D. toxic substance -ANSWER✔✔Any liquid, solid, or gas, which when introduced
into the water supply, creates, or may create, a danger to the health and well being
of the consumer.
A. contamination
B. Health hazard (high)
C. health hazard (low)
D. toxic substance
A. degree of hazard -ANSWER✔✔A determination on whether the substance in
the nonpotable system is toxic or nontoxic
A. degree of hazard
B. health hazard (high)
C. health hazard (low)
D. toxic substance
A. air gap -ANSWER✔✔The unobstructed vertical distance through the free
atmosphere between the lowest opening from any pipe or outlet supplying water to
a tank, and plumbing fixture.
A. air gap
B. submerged inlet
C. backflow
D. cross connection
