Preview Questions Electronics Testing Technician | Role Specific Skill

Question 1: When using a vector network analyzer (VNA) to measure S-parameters, what calibration method is most suitable for high-frequency PCB traces?

Which action should you take?

Choose only one option

Open-Short-Load calibration.

SOLT (Short-Open-Load-Thru) calibration.

Auto-calibration without references.

TRL (Thru-Reflect-Line) calibration.

Question 2: What is the purpose of measuring the insulation resistance of a component?

Which action should you take?

Choose only one option

To detect open circuits

To ensure thermal stability

To evaluate leakage currents and insulation breakdown

To measure load impedance

Question 3: During automated optical inspection (AOI), a PCB shows no visible defects but fails functional tests. What advanced AOI feature can help detect hidden solder joint issues?

Which action should you take?

Choose only one option

Implement 3D AOI with height mapping and cross-sectional imaging

Use only 2D image processing algorithms

Increase camera resolution

Reduce lighting intensity to highlight defects

Question 4: Which tool is used to analyze the frequency response of PCB signal paths?

Which action should you take?

Choose only one option

Spectrum Analyzer

Oscilloscope

Network Analyzer

Logic Analyzer

Question 5: Which defect is typically identified by a solderability test in PCB manufacturing?

Which action should you take?

Choose only one option

Signal distortion

Power loss

Thermal failure

Poor solder adhesion

Question 6: Which software feature is most useful for managing large datasets in test documentation?

Which action should you take?

Choose only one option

Batch processing

Code debugging

Real-time editing

Data visualization tools