Preview Questions Electrical Supervisor | Role Specific Skill

Question 1: What is the most effective method for detecting a partial discharge in electrical cables during maintenance?

Which action should you take?

Choose only one option

Use a megger to test insulation

Measure the impedance of the cable

Use an ultrasonic detector

Perform a visual inspection of the cable

Question 2: When diagnosing a voltage fluctuation issue in a building, what is the first area to check?

Which action should you take?

Choose only one option

The condition of the incoming power line and the power factor at the point of entry

The circuit breakers to ensure they are not tripping or malfunctioning

The load distribution across the building to identify any imbalances

The transformer supplying the building to ensure proper voltage regulation

Question 3: In high-voltage environments, which safety measure is most critical for protecting workers from arc flash hazards?

Which action should you take?

Choose only one option

Ensure that all workers are trained to handle the equipment, regardless of protective gear

Use of arc flash protective clothing, face shields, and insulating gloves

Limit work on high-voltage equipment to a select few and use minimal protective measures

Only perform high-voltage work during low-energy periods to reduce risk

Question 4: What is the first step in diagnosing a malfunctioning electrical motor during routine maintenance?

Which action should you take?

Choose only one option

Measure the motor's insulation resistance using a megohmmeter

Check the current draw and compare it with the motor's rated full load current

Inspect the motor's bearings for mechanical wear

Check the motor's electrical connections for loose or corroded contacts

Question 5: When troubleshooting an electrical circuit with erratic voltage, what should be the first action?

Which action should you take?

Choose only one option

Inspect the circuit breaker for wear and overheating

Check the resistance of the conductors for signs of degradation or damage

Check the load to see if it is drawing more current than expected

Measure the incoming voltage and compare it with the designed operating voltage

Question 6: In the event of a major electrical accident, what is the first action an electrical supervisor should take?

Which action should you take?

Choose only one option

Ensure that the area is secured, the power is cut off, and proper emergency protocols are followed

Focus on diagnosing the electrical issue to prevent recurrence

Assign the responsibility of the investigation to a safety officer while continuing with work

Inform upper management immediately about the issue