CROSS. CONNECTION CONTROL
EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS 100%
CORRECT!!!
True
Answer: A by-pass arrangement or jumper connection around a backflow
prevention device is considered to be a cross-connection.
True
Answer: A double check protects against both backpressure and backsiphonage
conditions.
True
Answer: There are two main factors that can contribute to backflow of water in
pipelines.
True
Answer: An approved air-gap separation on the supply service may have a vertical
dimension of at least twice the diameter of the supply pipe; but in no case less than
1 inch.
True
Answer: A water supplier can terminate service to a user who fails to protect the
distribution system with the backflow preventer.
False
Answer: Both shut-off valves must be closed in order to properly test a reduced
pressure principal backflow preventer.
EXAM QUESTIONS AND ANSWERS
WITH COMPLETE SOLUTIONS 100%
CORRECT!!!
True
Answer: A by-pass arrangement or jumper connection around a backflow
prevention device is considered to be a cross-connection.
True
Answer: A double check protects against both backpressure and backsiphonage
conditions.
True
Answer: There are two main factors that can contribute to backflow of water in
pipelines.
True
Answer: An approved air-gap separation on the supply service may have a vertical
dimension of at least twice the diameter of the supply pipe; but in no case less than
1 inch.
True
Answer: A water supplier can terminate service to a user who fails to protect the
distribution system with the backflow preventer.
False
Answer: Both shut-off valves must be closed in order to properly test a reduced
pressure principal backflow preventer.
