CWEA E I LEVEL 3 FINAL PAPER 2026
COMPREHENSIVE QUESTIONS AND
ACCURATE SOLUTIONS
◉ What happens when a motor loses one phase out of 3?
Answer: Single phasing will cause the motor to trip the overloads
◉ What instrument do you use to measure 4-20 mA?
Answer: DC clamp meter
◉ How do you connect an ammeter to check an electrical circuit?
Answer: In series with the load.
◉ If you are angry or impatient with one worker you should?
Answer: Avoid transferring that feeling to others.
◉ First step in troubleshooting a programmable logic
controller(PLC) system is?
Answer: Knowing and understanding the process
, ◉ Which of the following actions should be taken before working on
controls that may disrupt plant operations?
Answer: Have an operator present.
◉ Which of the following best describes the efficiency of preventive
maintenance for plant equipment?
Answer: Periodic inspection of facilities to discover developing
defects that could lead to equipment failure.
◉ In a 240v-120v Delta system, the high leg is?
Answer: 208v
◉ What class and division would it be above water on a primary
clarifier?
Answer: Class 1 Division 2
◉ AC reads out how?
Answer: Peak to peak.
◉ What do you use to clean Electrical instruments?
Answer: For Electro-pnuematic Positioners you use solvent.
◉ Where are the overloads installed on a wire diagram?
COMPREHENSIVE QUESTIONS AND
ACCURATE SOLUTIONS
◉ What happens when a motor loses one phase out of 3?
Answer: Single phasing will cause the motor to trip the overloads
◉ What instrument do you use to measure 4-20 mA?
Answer: DC clamp meter
◉ How do you connect an ammeter to check an electrical circuit?
Answer: In series with the load.
◉ If you are angry or impatient with one worker you should?
Answer: Avoid transferring that feeling to others.
◉ First step in troubleshooting a programmable logic
controller(PLC) system is?
Answer: Knowing and understanding the process
, ◉ Which of the following actions should be taken before working on
controls that may disrupt plant operations?
Answer: Have an operator present.
◉ Which of the following best describes the efficiency of preventive
maintenance for plant equipment?
Answer: Periodic inspection of facilities to discover developing
defects that could lead to equipment failure.
◉ In a 240v-120v Delta system, the high leg is?
Answer: 208v
◉ What class and division would it be above water on a primary
clarifier?
Answer: Class 1 Division 2
◉ AC reads out how?
Answer: Peak to peak.
◉ What do you use to clean Electrical instruments?
Answer: For Electro-pnuematic Positioners you use solvent.
◉ Where are the overloads installed on a wire diagram?
