Preview Questions Electrical Technician | Role Specific Skill

Question 1: Which of the following is a key consideration when setting up a worksite for electrical maintenance in a hazardous location?

Which action should you take?

Choose only one option

Using non-metallic tools only

Marking hazardous areas with visible signage

Ensuring all employees have first aid training

Proper isolation of power sources

Question 2: In the context of electrical system design, what safety measure should be taken when wiring a new control panel?

Which action should you take?

Choose only one option

Use shielded cables only

Test all breakers before installation

Ensure proper wire gauge and insulation

Ensure panel doors are locked during work

Question 3: When installing an electric meter, what is the correct procedure for connecting the meter to the power supply?

Which action should you take?

Choose only one option

Connect the meter's input terminals to the power source, ensuring polarity and proper current ratings

Mount the meter securely and ensure that it is properly calibrated

Ensure the meter is connected to the neutral line only

Test the meter for operational status before final installation

Question 4: What should be the primary focus when performing maintenance on an electrical transformer to prevent failure?

Which action should you take?

Choose only one option

Inspect the bushings for signs of oil leakage and electrical stress

Ensure the cooling system is free from blockages and the transformer is not overheating

Test the dielectric strength of the oil and ensure it is within the safe range

Check the transformer's power factor and compare it with the expected value

Question 5: What should you check first when troubleshooting an unresponsive relay?

Which action should you take?

Choose only one option

Inspect the control circuit for short circuits that could prevent activation

Measure the resistance of the coil to check for an open circuit

Ensure that the relay's contacts are not welded or physically stuck

Verify that the relay coil is energized by checking for voltage across its terminals

Question 6: When diagnosing overheating in an industrial power panel, what should you check?

Which action should you take?

Choose only one option

Breaker ratings

Load balancing

All of the above

Tightness of connections