Preview Questions PCB Assembly Technician | Role Specific Skill

Question 1: Which parameter is most critical in stencil alignment for solder paste application?

Which action should you take?

Choose only one option

Pressure applied

Viscosity of solder paste

Orientation of the stencil

Thickness of stencil

Question 2: What is the main risk of forcing a through-hole component into an undersized hole?

Which action should you take?

Choose only one option

Damage to the PCB trace

Component overheating

Loss of electrical continuity

Increased soldering time

Question 3: Why is proper tooling necessary for high-mix, low-volume PCB assembly lines?

Which action should you take?

Choose only one option

To ensure quick changeovers

To increase operator safety

To minimize rework

To improve throughput

Question 4: What is the most common failure mode observed during functional testing of a PCB that can lead to false positives in circuit diagnostics?

Which action should you take?

Choose only one option

Insufficient voltage or current supply to components

Excessive heating during testing

Incorrect placement of the test equipment

PCB trace contamination

Question 5: What is the purpose of layer stacking in multi-layer PCB fabrication?

Which action should you take?

Choose only one option

To minimize the overall thickness of the PCB

To ensure uniform signal impedance

To create a mechanical structure with optimal strength

To optimize the thermal dissipation of the PCB

Question 6: Which instrument measures harmonic distortion in a PCB circuit?

Which action should you take?

Choose only one option

Oscilloscope

Spectrum analyzer

Logic analyzer

Multimeter