Preview Questions Electrical Maintenance Engineer | Role Specific Skill

Question 1: How do electrical maintenance engineers ensure the reliability of circuit breakers during preventive maintenance?

Which action should you take?

Choose only one option

By replacing the breaker components at regular intervals

By monitoring the breaker's sound levels

By checking the trip time and calibration of the overcurrent protection

By testing the color and appearance of the breaker

Question 2: What is the most effective way to test grounding connections after installation?

Which action should you take?

Choose only one option

Voltage drop measurement

Current injection test

Ground resistance test

Continuity test

Question 3: When installing a new circuit, what is the primary consideration to prevent overloading of the system?

Which action should you take?

Choose only one option

Correct sizing of cables and protection devices based on system load calculations

All of the above

Ensuring that the circuit breakers are selected based on the motor or load type

Confirming that no wires are spliced or exposed in an unsafe manner

Question 4: During preventive maintenance, why is thermal imaging used in the inspection of electrical panels?

Which action should you take?

Choose only one option

To detect hot spots and potential failure points

To check for harmful gases in the panel

To evaluate the surface conductivity

To measure the voltage levels of the components

Question 5: In troubleshooting a short circuit, what is the first thing you should verify before repairing the issue?

Which action should you take?

Choose only one option

The status of the transformer's insulation

The load current on the circuit

The source of the short circuit and the condition of the wiring

The voltage levels across all components

Question 6: In an industrial setting, what must be ensured when installing a new electrical generator?

Which action should you take?

Choose only one option

All of the above

Proper grounding to avoid electrical shock hazards

Correct sizing of the generator based on load requirements

Installation of an automatic transfer switch for seamless operation