Preview Questions After-Sales Support Technician | Role Specific Skill

Question 1: How would you approach a scenario where a customer is not satisfied with the way their issue has been resolved by another technician?

Which action should you take?

Choose only one option

Reaffirm the original solution and ask if they are satisfied

Apologize for the previous experience and offer to personally handle the issue

Offer a replacement product as a goodwill gesture

Reassure them that no further action can be taken and refer them to management

Question 2: When a motor controller fails during operation, what should be the first parameter checked to determine the fault?

Which action should you take?

Choose only one option

Current draw

PWM signal

Heat sink temperature

Fault diagnostic LED code

Question 3: How would you identify a short circuit on a multilayer PCB without removing components?

Which action should you take?

Choose only one option

Running a boundary scan test

Using a multimeter to check resistance

Conducting an IR camera inspection

Using a TDR (Time-Domain Reflectometer)

Question 4: Which of the following is the best practice for identifying issues with high-frequency oscillations in electronic circuits?

Which action should you take?

Choose only one option

Verifying decoupling capacitor placement

Increasing PCB trace width

Using ferrite beads

Checking for signal reflections

Question 5: In an after-sales support context, what is the most efficient way to validate a customer's complaint about overheating in a power supply unit?

Which action should you take?

Choose only one option

Measuring heat sink thermal dissipation

Checking ambient temperature

Using a thermal imaging camera

Inspecting thermal paste condition

Question 6: When performing an inrush current test on a power supply, what is the expected behavior during power-up?

Which action should you take?

Choose only one option

A gradual increase in current as the power supply stabilizes

A constant current draw during the initial power-up

A spike in current due to charging capacitors

A sudden drop in current after reaching steady-state operation