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Backflow prevention and Cross-connection Control Questions and
Answers with Solutions UPDATED!!!
A condition in which a pump, boiler, or other equipment
produces a pressure greater than the water supply pressure. -
ANSWER Backpressure
A condition in which the pressure in the distribution system is
less than atmospheric pressure, which allows contamination to
enter a water system through a cross-connection - ANSWER
Backsiphonage
A hydraulic condition, caused by a difference in pressures, in
which nonpotable water or other fluids flow into a potable
water system - ANSWER Backflow
Any arrangement of pipes, fittings, fixtures, or devices that
connects a nonpotable system to potable water systems -
ANSWER Cross-connections
Examples of cross-connections - ANSWER Cooling towers,
boilers, service sinks
Backflow prevention and Cross-connection Control Questions and
Answers with Solutions UPDATED!!!
A condition in which a pump, boiler, or other equipment
produces a pressure greater than the water supply pressure. -
ANSWER Backpressure
A condition in which the pressure in the distribution system is
less than atmospheric pressure, which allows contamination to
enter a water system through a cross-connection - ANSWER
Backsiphonage
A hydraulic condition, caused by a difference in pressures, in
which nonpotable water or other fluids flow into a potable
water system - ANSWER Backflow
Any arrangement of pipes, fittings, fixtures, or devices that
connects a nonpotable system to potable water systems -
ANSWER Cross-connections
Examples of cross-connections - ANSWER Cooling towers,
boilers, service sinks
