CWEA Practice Test Questions and Answers
with Complete Solutions UPDATED!!!
Which welding process is most commonly used for SMALL pipe
maintenance welding? - ANSWER OxyAcetylene gas welding
What is the proper definition of an engine? - ANSWER It is a
machine designed to convert energy into useful mechanical
motion
What is wet stacking and how can it be prevented? - ANSWER It
is unburned fuel collecting in the exhaust due to light or no load
conditions
To check flywheel face runout, where should the dial indicator
be positioned? - ANSWER The base on the bell housing and
pointer on the flywheel face
If a 38-tooth gear running at 360 rmp is driving another gear at
144 rmp what is the number of teeth on the driven gear? -
ANSWER 95
, 2|Page
Which of the following is required for a sealed ball bearing? -
ANSWER It does not need to be lubricated under normal use
A DAFT is an acronym meaning: - ANSWER Dissolved Air
Flotation Thickener
What is the governing agency that permits odor control
systems? - ANSWER AQMD
At what pressure rating would you use a blower instead of a
fan? - ANSWER 7 psi
Which of the following valves is unsuitable for high-pressure
flow? - ANSWER 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 14,900 gal.