Class C Water Operator License Exam |Actual
Exam With 100% Verified Questions And
Correct Answers| Already Graded A+
Ammonia mixed with chlorine gas creates a - correct-answer-white smoke
The most difficult part of a water distribution operator's job. - correct-answer-
furnish a continuous supply
Physical connection between a safe and potentially unsafe water source. -
correct-answer-cross connection
A distribution system is a - correct-answer-looped system
Dead end mains should be flushed - correct-answer-every month
1|Page
,Excess nitrate causes a condition called - correct-answer-blue baby syndrome
______ is used to anchor pipe bends. - correct-answer-concrete
A general deposit of mineral particles evenly along the inside of the pipe is
________. - correct-answer-tuberculation
Shoring should be used if a ditch is ___ft or deeper. - correct-answer-5
A written sample writing plan is required for _______ monitoring. - correct-
answer-coliform
Ladders should be placed every ___ft in a ditch. - correct-answer-25
An oxygen deficient atmosphere is defined as one which contains _____ than
______ % oxygen. - correct-answer-less, 19.5
Characteristics of a Centrifugal Pump:
2|Page
, as the head _____ the discharge ________. - correct-answer-increases, decreases
The operator should leave a ________ of slack in flexible tubing. - correct-answer-
gooseneck
The most common type of water meter is the ____ ____ meter. - correct-answer-
positive displacement
Safe withdrawal weight from a 150lb cylinder is ___lbs and 400lbs from a ____ton
cylinder. - correct-answer-40, 1
The most common valve is the _______. - correct-answer-gate valve
The most commonly used fire hydrants used in distribution systems are the
_________. - correct-answer-dry barrel
3|Page
Exam With 100% Verified Questions And
Correct Answers| Already Graded A+
Ammonia mixed with chlorine gas creates a - correct-answer-white smoke
The most difficult part of a water distribution operator's job. - correct-answer-
furnish a continuous supply
Physical connection between a safe and potentially unsafe water source. -
correct-answer-cross connection
A distribution system is a - correct-answer-looped system
Dead end mains should be flushed - correct-answer-every month
1|Page
,Excess nitrate causes a condition called - correct-answer-blue baby syndrome
______ is used to anchor pipe bends. - correct-answer-concrete
A general deposit of mineral particles evenly along the inside of the pipe is
________. - correct-answer-tuberculation
Shoring should be used if a ditch is ___ft or deeper. - correct-answer-5
A written sample writing plan is required for _______ monitoring. - correct-
answer-coliform
Ladders should be placed every ___ft in a ditch. - correct-answer-25
An oxygen deficient atmosphere is defined as one which contains _____ than
______ % oxygen. - correct-answer-less, 19.5
Characteristics of a Centrifugal Pump:
2|Page
, as the head _____ the discharge ________. - correct-answer-increases, decreases
The operator should leave a ________ of slack in flexible tubing. - correct-answer-
gooseneck
The most common type of water meter is the ____ ____ meter. - correct-answer-
positive displacement
Safe withdrawal weight from a 150lb cylinder is ___lbs and 400lbs from a ____ton
cylinder. - correct-answer-40, 1
The most common valve is the _______. - correct-answer-gate valve
The most commonly used fire hydrants used in distribution systems are the
_________. - correct-answer-dry barrel
3|Page
