CWEA Practice Test with Accurate
Solutions
Which welding process is most commonly used for SMALL pipe maintenance welding? -
ANS-OxyAcetylene gas welding
What is the proper definition of an engine? - ANS-It is a machine designed to convert
energy into useful mechanical motion
What is wet stacking and how can it be prevented? - ANS-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? - ANS-
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? - ANS-95
A 150-watt, 120-volt lamp burns constantly for 8 hours at a rated voltage. What is the
energy used in watts/hours? - ANS-1,200 watts/hours
Which of the following is 12/16 of one inch equal to? - ANS-3/4 inch
The property if an electrical circuit restricts the flow of current and: - ANS-resistance
Which of the following can burn the insulation of the supply connections at the motor
starter? - ANS-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? - ANS-At the power source
What does NEC stand for? - ANS-National Electrical Code
What is a pipe union typically used for? - ANS-It is used to connect pipes
Which of the following electrical circuits had more than one path for the current to flow?
- ANS-Parallel circuit
Overloading of an electrical circuit may be caused by which of the following? - ANS-
Connecting loads that draw too much current
Solutions
Which welding process is most commonly used for SMALL pipe maintenance welding? -
ANS-OxyAcetylene gas welding
What is the proper definition of an engine? - ANS-It is a machine designed to convert
energy into useful mechanical motion
What is wet stacking and how can it be prevented? - ANS-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? - ANS-
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? - ANS-95
A 150-watt, 120-volt lamp burns constantly for 8 hours at a rated voltage. What is the
energy used in watts/hours? - ANS-1,200 watts/hours
Which of the following is 12/16 of one inch equal to? - ANS-3/4 inch
The property if an electrical circuit restricts the flow of current and: - ANS-resistance
Which of the following can burn the insulation of the supply connections at the motor
starter? - ANS-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? - ANS-At the power source
What does NEC stand for? - ANS-National Electrical Code
What is a pipe union typically used for? - ANS-It is used to connect pipes
Which of the following electrical circuits had more than one path for the current to flow?
- ANS-Parallel circuit
Overloading of an electrical circuit may be caused by which of the following? - ANS-
Connecting loads that draw too much current
