CWEA Electrical and Instrumentation Grade 2
EXAM: Questions and Answers 2025|2026
Verified Graded A+ Already Passed!
The most commonly used type of diagram in
process control is: - correct answer-piping and instrument drawing
When Taking a flow measurement the measuring device is performing
what type of calculation? - correct answer-Root mean square
A 480V, 3 phase motor, Delta connected, has one leg shorted, what will
the resistance be compared to the other legs - correct answer-Lower
A 12V battery rated to provide 1amp for 20 hours across a 2000w load.
How long will the battery continue to produce an output? - correct
answer-100 hour
,A tank is 30' high, 26' wide, filled 14'. What is the volume? I believe you
should assume this tank is a cylinder. Pay attention if the question ask
for the tanks volume or the volume of the fluid inside the tank. - correct
answer-
A 36" pipe has an elevation gain of 300', the process reaches an
elevation of 200'. What is the PSI? - correct answer-
A pipe has a 10" opening , and produces 2500 GPM. How many cubic
feet/sec? - correct answer-
How is true power expressed? - correct answer-KW
You took apart a 3 phase motor, meggered a motor lead to the housing,
and read 5000 ohms. What does this mean? - correct answer-Motor is
fine
, A 500hp, 3 phase, 460v, 8-pole, 900 rpm motor is connected to a 5:1
gear box. What is the rpm of the output shaft? Forget about all the
needless information. The question gives the rpm of the motor that's all
you need. - correct answer-
What drawing does a PLC use? - correct answer-Ladder
What does NFPA820 cover? - correct answer-Wastewater and
Collections
When should you megger a motor for its lowest insulation readings? -
correct answer-Immediately after shutting down equipment.
In a start stop control circuit, an additional two stop buttons are to be
added. These stop buttons should be installed in which way? - correct
answer-In series with the existing stop
EXAM: Questions and Answers 2025|2026
Verified Graded A+ Already Passed!
The most commonly used type of diagram in
process control is: - correct answer-piping and instrument drawing
When Taking a flow measurement the measuring device is performing
what type of calculation? - correct answer-Root mean square
A 480V, 3 phase motor, Delta connected, has one leg shorted, what will
the resistance be compared to the other legs - correct answer-Lower
A 12V battery rated to provide 1amp for 20 hours across a 2000w load.
How long will the battery continue to produce an output? - correct
answer-100 hour
,A tank is 30' high, 26' wide, filled 14'. What is the volume? I believe you
should assume this tank is a cylinder. Pay attention if the question ask
for the tanks volume or the volume of the fluid inside the tank. - correct
answer-
A 36" pipe has an elevation gain of 300', the process reaches an
elevation of 200'. What is the PSI? - correct answer-
A pipe has a 10" opening , and produces 2500 GPM. How many cubic
feet/sec? - correct answer-
How is true power expressed? - correct answer-KW
You took apart a 3 phase motor, meggered a motor lead to the housing,
and read 5000 ohms. What does this mean? - correct answer-Motor is
fine
, A 500hp, 3 phase, 460v, 8-pole, 900 rpm motor is connected to a 5:1
gear box. What is the rpm of the output shaft? Forget about all the
needless information. The question gives the rpm of the motor that's all
you need. - correct answer-
What drawing does a PLC use? - correct answer-Ladder
What does NFPA820 cover? - correct answer-Wastewater and
Collections
When should you megger a motor for its lowest insulation readings? -
correct answer-Immediately after shutting down equipment.
In a start stop control circuit, an additional two stop buttons are to be
added. These stop buttons should be installed in which way? - correct
answer-In series with the existing stop
