CWEA ELECTRICAL AND INSTRUMENT
GRADE 2 STUDY GUIDE 2026 FULL
CONTENT QUESTIONS AND ANSWERS
COMPLETE SET
◉ How to measure 4-20ma with a digital multi meter(dmm).
Answer: Disconnect one wire of the loop and connect the DMM in
series.
◉ How far from the disconnect should a pump be located?
Answer: within sight and not at a distance greater than (50 ft) from
equipment.
◉ The most important requirement for good
maintenance of motor starters is:
Answer: proper lubrication
◉ A reversing starter reverses a three-phase
motor by interchanging:
Answer: Any two of the phases
, ◉ What kind of protection is provided in a manual across-the-line
three-phase motor control?
Answer: Overload protection only
◉ The drawing that provides a view of the entire
system in process control is the:
Answer: P&ID also known as pipping and instrument drawing
◉ The most commonly used type of diagram in
process control is:
Answer: piping and instrument drawing
◉ When Taking a flow measurement the measuring device is
performing what type of calculation?
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
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?
Answer: 100 hour
GRADE 2 STUDY GUIDE 2026 FULL
CONTENT QUESTIONS AND ANSWERS
COMPLETE SET
◉ How to measure 4-20ma with a digital multi meter(dmm).
Answer: Disconnect one wire of the loop and connect the DMM in
series.
◉ How far from the disconnect should a pump be located?
Answer: within sight and not at a distance greater than (50 ft) from
equipment.
◉ The most important requirement for good
maintenance of motor starters is:
Answer: proper lubrication
◉ A reversing starter reverses a three-phase
motor by interchanging:
Answer: Any two of the phases
, ◉ What kind of protection is provided in a manual across-the-line
three-phase motor control?
Answer: Overload protection only
◉ The drawing that provides a view of the entire
system in process control is the:
Answer: P&ID also known as pipping and instrument drawing
◉ The most commonly used type of diagram in
process control is:
Answer: piping and instrument drawing
◉ When Taking a flow measurement the measuring device is
performing what type of calculation?
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
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?
Answer: 100 hour
