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AWWA WATER OPERATOR CERTIFICATION EXAM QUESTIONS AND ANSWERS 2026

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AWWA WATER OPERATOR CERTIFICATION EXAM QUESTIONS AND ANSWERS 2026

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AWWA WATER LATEST
OPERATOR
CERTIFICATION EXAM
Check valves prevent ........... - ANSWERS-Water from flowing in two
directions


Packing joints should be....... - ANSWERS-Staggered


Primary function of couplings - ANSWERS-Compensate for alignment
changes


How do you determine watts - ANSWERS-(amps)x(volts)


What are the different types of pumps - ANSWERS-Centrifugal,
positive displacement, and turbine


What does a hypochlorinator do? - ANSWERS-Feed a liquid chlorine
solution into a water supply


What causes water hammer - ANSWERS-opening or closing a valve too
fast


END OF
PAGE
1

, AWWA WATER LATEST
OPERATOR
CERTIFICATION EXAM
When should a positive displacement pump be operated? - ANSWERS-
When suction and discharge valves are open


How much does a 1-ton cylinder weigh? - ANSWERS-3,700 lbs


Pumps seals are classified how? - ANSWERS-Packing ring or
mechanical


What causes pumps to make a pinging sound - ANSWERS-cavitation


What is the main purpose of priming - ANSWERS-Replace air with
water inside the pump


What is the purpose of a vacuum regulator - ANSWERS-Stop flow of
chlorine gas if a leak develops


Mechanical seals are appropriate for pumps operating under....... -
ANSWERS-High suction head


END OF
PAGE
2

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