Preview Questions Electronics Maintenance Technician | Role Specific Skill

Question 1: During preventive maintenance, which component in a UPS is most likely to require periodic testing?

Which action should you take?

Choose only one option

Cooling fan

Battery condition and runtime capacity

Display unit

Output relay

Question 2: What is the first step you take when troubleshooting an electrical circuit that has no output despite receiving power?

Which action should you take?

Choose only one option

By assuming the circuit is completely dead and replacing it

By measuring voltage at the output and assuming it is correct

By testing only the power supply and assuming the rest works

By checking the continuity of the circuit, testing all components, and verifying ground connections

Question 3: When troubleshooting a capacitive touch sensor, what is the most likely symptom of a faulty sensor?

Which action should you take?

Choose only one option

No power to the circuit

Fluctuating input voltage

Overheating of the sensor

Incorrect or no response to touch input

Question 4: How do you troubleshoot a motor that runs but has low torque?

Which action should you take?

Choose only one option

Increase load to test further

Replace the motor driver immediately

Check winding resistance and ensure proper voltage levels

Replace the motor

Question 5: When repairing a power supply, which component is most likely to fail due to overvoltage?

Which action should you take?

Choose only one option

Resistor

Inductor

Capacitor

MOSFET or voltage regulator

Question 6: What is the primary objective of a load test on a power supply unit?

Which action should you take?

Choose only one option

To measure voltage output

To test current capacity under real conditions

To evaluate grounding efficiency

To analyze waveform distortions