Preview Questions Electronics Maintenance Technician | Role Specific Skill

Question 1: How do you ensure proper performance of a variable frequency drive (VFD) during routine maintenance?

Which action should you take?

Choose only one option

By assuming VFDs last indefinitely and testing only the motor

By replacing the VFD after a certain period without testing

By checking input and output voltages, verifying motor performance, and testing control circuits

By only checking motor performance without testing the VFD

Question 2: How do you conduct a ground fault test on electrical equipment, and why is it critical for safety?

Which action should you take?

Choose only one option

By testing only under normal operating conditions

By bypassing the ground to test circuit functionality

By applying a test current and measuring leakage current to ground, ensuring it is within safe limits

By simply checking the ground connection visually

Question 3: How do you test a faulty transformer for open-circuit issues?

Which action should you take?

Choose only one option

Perform a load test immediately

Test for ground faults only

Measure output voltage only

Check winding continuity with a multimeter and measure primary and secondary resistance

Question 4: What diagnostic tools would you use to identify a broken trace on a PCB causing an intermittent failure?

Which action should you take?

Choose only one option

By assuming the issue is related to the components and not the trace

By visually inspecting the PCB only

By checking all resistors and capacitors with a multimeter

By using a continuity tester and a thermal camera to detect hot spots

Question 5: Which tool is most suitable for detecting short circuits in a PCB?

Which action should you take?

Choose only one option

Clamp Meter

Continuity Tester

Logic Analyzer

Oscilloscope

Question 6: Which tool is best for identifying broken traces on a PCB?

Which action should you take?

Choose only one option

Oscilloscope

Logic Analyzer

Digital Multimeter

Power Supply