Preview Questions PCB Assembly Technician | Role Specific Skill

Question 1: Why is the pitch of component leads important during insertion?

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It affects solder joint strength

It simplifies testing

It ensures uniform voltage

It reduces component cost

Question 2: What does a high IR drop across a PCB trace indicate?

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Faulty ground connection

Poor voltage distribution

Excessive thermal generation

Proper voltage regulation

Question 3: What is the key indicator of a cold solder joint?

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Shiny surface

Dull and grainy surface

Smooth fillet

Excessive solder flow

Question 4: Which parameter is critical for aligning ICs with dual in-line packaging?

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Packaging color

Pin length

Keying notch orientation

Pin count

Question 5: How is the speed of a conveyor system in an assembly line typically calibrated?

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By adjusting motor torque

By measuring throughput

Using a tachometer

By visual inspection

Question 6: When using an automated pick-and-place machine to insert surface-mount components, what is the best method to avoid component misplacement?

Which action should you take?

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Using low-speed settings to reduce placement accuracy

Frequent cleaning of the machine's pick-and-place heads

Regular calibration and validation of machine vision systems

Using hand placement for delicate components