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Cross-connection control Quiz 13 Questions and Answers with
Solutions UPDATED!!!
Air gap separation is measured from the flood level rim of the
receiving vessel to the potable water supply line. What is the
minimum separation of a correctly installed air gap?
1 in
2 in
4 in
6 in - ANSWER 1 in
An air-gap device is used to
Clean lines
Prevent contamination of water by backflow
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Let air manholes
Test for oxygen deficiency - ANSWER Prevent contamination of
water by backflow
Fire fighting may cause low pressure in an area of a distribution
system. This low pressure might lead to
Contamination of the system by backsiphonage
Ice formation in the pipes
Loss of chlorine residual
Messy water - ANSWER Contamination of the system by
backsiphonage
The primary purpose of check valves is to prevent
Cross-connection control Quiz 13 Questions and Answers with
Solutions UPDATED!!!
Air gap separation is measured from the flood level rim of the
receiving vessel to the potable water supply line. What is the
minimum separation of a correctly installed air gap?
1 in
2 in
4 in
6 in - ANSWER 1 in
An air-gap device is used to
Clean lines
Prevent contamination of water by backflow
, 2|Page
Let air manholes
Test for oxygen deficiency - ANSWER Prevent contamination of
water by backflow
Fire fighting may cause low pressure in an area of a distribution
system. This low pressure might lead to
Contamination of the system by backsiphonage
Ice formation in the pipes
Loss of chlorine residual
Messy water - ANSWER Contamination of the system by
backsiphonage
The primary purpose of check valves is to prevent
