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Plumbing
Plumber Red Seal Certification
Specialty Plumbing Systems
Knowledge Check
Specialty Plumbing Systems
Knowledge Check
Knowledge Check
1 / 10
Water hammer is caused by
A
Cross-connection between hot and cold supply lines
B
Air trapped in a P-trap causing gurgling sounds
C
Low water pressure dropping below fixture minimum
D
Rapid closure of a valve creating a pressure wave through the supply line
Check Answer
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