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CWEA MAINTENANCE TECHNOLOGIST 1 PRACTICE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CWEA MAINTENANCE TECHNOLOGIST 1 PRACTICE QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
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CWEA MAINTENANCE TECHNOLOGIST1 PRACTICE QUESTIONS AND
ANSWERS WITH SOLUTIONS 2024
Which process is most commonly used for small pipe maintenance welding? - ANSWER D. Oxyacetylene
gas welding
What is the proper definition of an engine? - ANSWER B. It is machine designed to convert energy into
useful mechanical motion
What is wet stacking and how can it be prevented? - ANSWER C.Wet stacking is a condition in diesel
engines in which unburned fuel passes on into the exhaust system.[1] The word "stacking" comes from
the term "stack" for exhaust pipe or chimney stack. The oily exhaust pipe is therefore a "wet stack".
To check a flywheel face runout, where should the dial indicator be positioned? - ANSWER B. The base of
the bell housing and the pointer on the flywheel face
If a 38-tooth gear running at 360 rpm is driving another gear at 144 rpm, what is the number of teeth on
the driven gear? - ANSWER B. 95
Which of the following is required for a sealed ball bearing? - ANSWER C. It does not need to be
lubricated under normal use
A DAFT is an acronym meaning? - ANSWER A. Dissolved Air Flotation Thickener
What is the governing agency that permits odor control systems? - ANSWER D. AQMD
At what pressure rating would you use a blower instead of a fan? - ANSWER B. 7psi
Which of the following valves is unsuitable for high-pressure flow? - ANSWER C. A needle valve
, A sodium hypochlorite tank's full working capacity is 23,000 gallons. Its current level is at 1,200 gallons.
How many gallons does the delivery driver need to add to bring it to 70% capacity? - ANSWER A. 14,900
gal
What is the result if 6/8" is converted to decimal form? - ANSWER A. .75
What is the conversion of 100 Celsius to Fahrenheit? - ANSWER A. 212
If 17.32v are applied across a resistance of 50 ohms, how much power is expanded in the resistor? -
ANSWER C. 6.0 watts
A standard steel plate is 4' wide, 8' long, 1" thick. If steel weighs 490 lbs/ft3, what is the total weight of
this plate? - ANSWER A. 1,306.6lbs
What is the volume in cubic feet of carbon media that is 6' thick in a clarifier that has a 50' diameter and
20' deep? Round answer to the nearest cubic foot. - ANSWER C. 11,781 ft3
A 150-Watt, 120-volt lamp burns constantly for 8 hours at a rated voltage. What is the energy used in
watts/hour? - ANSWER C. 1200 watts/hour
Which of the following is 12/16 equal to? - ANSWER A. 3/4
The property of an electrical circuit restricts the flow of current and: - ANSWER C. resistance
Which of the following can burn the insulation on the supply connections at the motor starter? -
ANSWER C. the connections are loose or have poor contacts
Where do you start troubleshooting when an electrical motor fails to operate after observing a
mechanical failure? - ANSWER C. at the power source
What does NEC stand for? - ANSWER A. National Electrical Code
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