CLASS C WATER OPERATOR LICENSE EXAM WITH 100+
MOST RECENT QUESTIONS AND CORRECT VERIFIED
ANSWERS
100, 150, 200 and 250 are approved classes of _____ _____. - CORRECT ANSWER
✔✔ - working pressure
______ 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:
as the head _____ the discharge ________. - CORRECT ANSWER ✔✔ - increases,
decreases
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, 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
Hydrants have a _____ point in case the hydrant is struck by a vehicle. - CORRECT
ANSWER ✔✔ - breakaway
Controlling valves regulate pressure flow ____ and flow _______. - CORRECT
ANSWER ✔✔ - rates, direction
Electricity is the preferred power source for most distribution systems because of
______, reliability and relatively low _______. - CORRECT ANSWER ✔✔ -
availability, cost
5/8 meters need to be tested at least every _____ to _______ yrs. - CORRECT
ANSWER ✔✔ - 5, 10
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MOST RECENT QUESTIONS AND CORRECT VERIFIED
ANSWERS
100, 150, 200 and 250 are approved classes of _____ _____. - CORRECT ANSWER
✔✔ - working pressure
______ 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:
as the head _____ the discharge ________. - CORRECT ANSWER ✔✔ - increases,
decreases
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, 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
Hydrants have a _____ point in case the hydrant is struck by a vehicle. - CORRECT
ANSWER ✔✔ - breakaway
Controlling valves regulate pressure flow ____ and flow _______. - CORRECT
ANSWER ✔✔ - rates, direction
Electricity is the preferred power source for most distribution systems because of
______, reliability and relatively low _______. - CORRECT ANSWER ✔✔ -
availability, cost
5/8 meters need to be tested at least every _____ to _______ yrs. - CORRECT
ANSWER ✔✔ - 5, 10
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