MCQ Flashcards

During a pre-trip inspection, what should a driver check on the tires?

Answer: Tread depth and inflation

Drivers must verify adequate tread depth and proper inflation to ensure safe operation.

What is the primary purpose of maintaining a proper following distance?

Answer: Allow adequate stopping time

A proper following distance gives the driver enough time and space to stop safely.

When descending a long, steep grade, the driver should primarily rely on what?

Answer: A lower gear and engine braking

Selecting a lower gear uses engine braking and prevents brake overheating on long downgrades.

What does a steady amber traffic signal indicate to a commercial driver?

Answer: Prepare to stop

A steady amber light warns the driver to prepare to stop before the signal turns red.

Why must drivers perform a post-trip inspection?

Answer: To identify defects before the next trip

A post-trip inspection identifies any defects so they can be repaired before the vehicle is used again.

What is the correct action if brakes feel spongy during operation?

Answer: Stop safely and have brakes inspected

Spongy brakes signal a possible failure, so the driver should stop safely and get them inspected.

Which document must a CDL driver carry showing medical fitness to drive?

Answer: Medical examiner's certificate

Drivers must carry a valid medical examiner's certificate showing they meet DOT physical standards.