CWEA PRACTICE TEST EXAM QUIZZES
WITH ACTUAL ANSWERS | GRADED A+ .
Which welding process is most commonly used for SMALL pipe maintenance welding? - correct Answers
-OxyAcetylene gas welding
What is the proper definition of an engine? - correct Answers -It is a machine designed to convert
energy into useful mechanical motion
What is wet stacking and how can it be prevented? - correct Answers -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? - correct Answers -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? - correct Answers -95
Which of the following is required for a sealed ball bearing? - correct Answers -It does not need to be
lubricated under normal use
A DAFT is an acronym meaning: - correct Answers -Dissolved Air Flotation Thickener
What is the governing agency that permits odor control systems? - correct Answers -AQMD
At what pressure rating would you use a blower instead of a fan? - correct Answers -7 psi
Which of the following valves is unsuitable for high-pressure flow? - correct Answers -A needle valve
1
, 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 Answers -
14,900 gal.
What is the result if 6/8 " is converted to decimal form? - correct Answers -.75
What is the conversion of 100° Celsius into Fahrenheit? - correct Answers -212°
If 17.32 v are applied across a resistance of 50 ohms, how much power is extended in the resistor? -
correct Answers -6.0 watts
A standard steel plate is 4' wide, 8' long, and 1' thick. If steel weighs 490 lbs/ft^3, what is the total
weight of this plate? - correct Answers -1,306.6 lbs
What is the volume in cubic feet of carbon media that is 6' thick in clarifier that has 50' diameter and is
20' deep? Round answer to the nearest cubic foot. - correct Answers -11,781 ft^3
A 150-watt, 120-volt lamp burns constantly for 8 hours at a rated voltage. What is the energy used in
watts/hours? - correct Answers -1,200 watts/hours
Which of the following is 12/16 of one inch equal to? - correct Answers -3/4 inch
The property if an electrical circuit restricts the flow of current and: - correct Answers -resistance
Which of the following can burn the insulation of the supply connections at the motor starter? - correct
Answers -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 Answers -At the power source
What does NEC stand for? - correct Answers -National Electrical Code
2
WITH ACTUAL ANSWERS | GRADED A+ .
Which welding process is most commonly used for SMALL pipe maintenance welding? - correct Answers
-OxyAcetylene gas welding
What is the proper definition of an engine? - correct Answers -It is a machine designed to convert
energy into useful mechanical motion
What is wet stacking and how can it be prevented? - correct Answers -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? - correct Answers -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? - correct Answers -95
Which of the following is required for a sealed ball bearing? - correct Answers -It does not need to be
lubricated under normal use
A DAFT is an acronym meaning: - correct Answers -Dissolved Air Flotation Thickener
What is the governing agency that permits odor control systems? - correct Answers -AQMD
At what pressure rating would you use a blower instead of a fan? - correct Answers -7 psi
Which of the following valves is unsuitable for high-pressure flow? - correct Answers -A needle valve
1
, 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 Answers -
14,900 gal.
What is the result if 6/8 " is converted to decimal form? - correct Answers -.75
What is the conversion of 100° Celsius into Fahrenheit? - correct Answers -212°
If 17.32 v are applied across a resistance of 50 ohms, how much power is extended in the resistor? -
correct Answers -6.0 watts
A standard steel plate is 4' wide, 8' long, and 1' thick. If steel weighs 490 lbs/ft^3, what is the total
weight of this plate? - correct Answers -1,306.6 lbs
What is the volume in cubic feet of carbon media that is 6' thick in clarifier that has 50' diameter and is
20' deep? Round answer to the nearest cubic foot. - correct Answers -11,781 ft^3
A 150-watt, 120-volt lamp burns constantly for 8 hours at a rated voltage. What is the energy used in
watts/hours? - correct Answers -1,200 watts/hours
Which of the following is 12/16 of one inch equal to? - correct Answers -3/4 inch
The property if an electrical circuit restricts the flow of current and: - correct Answers -resistance
Which of the following can burn the insulation of the supply connections at the motor starter? - correct
Answers -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 Answers -At the power source
What does NEC stand for? - correct Answers -National Electrical Code
2
