CWEA Maintenance Technologist 1 UPDATED Exam Questions and CORRECT Answers
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CWEA Maintenance Technologist 1
Institution
CWEA Maintenance Technologist 1
CWEA Maintenance Technologist 1
UPDATED Exam Questions and
CORRECT Answers
Which process is most commonly used for small pipe maintenance welding? - CORRECT
ANSWER- D. Oxyacetylene gas welding
What is the proper definition of an engine? - CORRECT ANSWER- B. It is machine
designed to conver...
CWEA Maintenance Technologist 1
UPDATED Exam Questions and
CORRECT Answers
Which process is most commonly used for small pipe maintenance welding? - CORRECT
ANSWER- D. Oxyacetylene gas welding
What is the proper definition of an engine? - CORRECT ANSWER- B. It is machine
designed to convert energy into useful mechanical motion
What is wet stacking and how can it be prevented? - CORRECT 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? - CORRECT
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? - CORRECT ANSWER- B. 95
Which of the following is required for a sealed ball bearing? - CORRECT ANSWER- C. It
does not need to be lubricated under normal use
A DAFT is an acronym meaning? - CORRECT ANSWER- A. Dissolved Air Flotation
Thickener
What is the governing agency that permits odor control systems? - CORRECT ANSWER- D.
AQMD
At what pressure rating would you use a blower instead of a fan? - CORRECT ANSWER- B.
7psi
, Which of the following valves is unsuitable for high-pressure flow? - CORRECT 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? - CORRECT ANSWER- A. 14,900 gal
What is the result if 6/8" is converted to decimal form? - CORRECT ANSWER- A. .75
What is the conversion of 100 Celsius to Fahrenheit? - CORRECT ANSWER- A. 212
If 17.32v are applied across a resistance of 50 ohms, how much power is expanded in the
resistor? - CORRECT 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? - CORRECT 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. - CORRECT 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? - CORRECT ANSWER- C. 1200 watts/hour
Which of the following is 12/16 equal to? - CORRECT ANSWER- A. 3/4
The property of an electrical circuit restricts the flow of current and: - CORRECT ANSWER-
C. resistance
Which of the following can burn the insulation on the supply connections at the motor
starter? - CORRECT 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? - CORRECT ANSWER- C. at the power source
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