CWEA Maintenance Technologist 1 Practice Questions and Answers with complete solution
Question : Which process is most commonly used for small
pipe maintenance welding?
- Oxyacetylene gas welding
Correct answer: D. Oxyacetylene gas welding
Question : What is the proper definition of an engine?
- It is machine designed to convert energy into useful
mechanical motion
Correct answer: B. It is machine designed to convert energy
into useful mechanical motion
Question : What is wet stacking and how can it be prevented?
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".
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".
Question : To check a flywheel face runout, where should the
dial indicator be positioned?
- The base of the bell housing and the pointer on the
flywheel face
Correct answer: B. The base of the bell housing and the
pointer on the flywheel face
Question : 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?
- 95
Correct answer: B. 95
Question : Which of the following is required for a sealed ball
bearing?
- It does not need to be lubricated under normal use
Correct answer: C. It does not need to be lubricated under
normal use
Question : A DAFT is an acronym meaning?
- Dissolved Air Flotation Thickener
Correct answer: A. Dissolved Air Flotation Thickener
Question : What is the governing agency that permits odor
control systems?
D. AQMD
Correct answer: D. AQMD
Question : At what pressure rating would you use a blower
instead of a fan?
- 7psi
Correct answer: B. 7psi
Question : Which of the following valves is unsuitable for
high-pressure flow?
- A needle valve
Correct answer: C. A needle valve
Question : 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?
- 14,900 gal
Correct answer: A. 14,900 gal
Question : What is the result if 6/8" is converted to decimal
form?
A. .75
Correct answer: A. .75
Question : What is the conversion of 100 Celsius to
Fahrenheit?