California Commercial Driver (Class A/B) Practice Test #1

Question 1

A pre-trip inspection of your commercial vehicle should be performed:

Accepted Answer

Before operating the vehicle.

Question 2

To stay safe while driving at night, you should:

Accepted Answer

Drive slowly enough to stop within the range of your headlights in emergencies.

Question 3

The term used to describe the rear wheels of a commercial vehicle following a different path than the front wheels while turning is:

Accepted Answer

Offtracking.

Question 4

When dealing with a pressurized cooling system, you should:

Accepted Answer

Check the coolant level only when the engine has cooled.

Question 5

If you must park on the side of a road at night, you should:

Accepted Answer

Turn on your 4-way emergency flashers.

Question 6

During a pre-trip inspection of the steering system, which of the following would require immediate repair?

Accepted Answer

Steering wheel play exceeding 10 degrees.

Question 7

Containerized loads:

Accepted Answer

Are generally used for transporting freight by rail or ship.

Question 8

Approaching a downhill curved offramp, you should:

Accepted Answer

Slow to a safe speed before entering the curve.

Question 9

Which method of fire suppression is safe?

Accepted Answer

Neither of the above.

Question 10

Total stopping distance is the sum of:

Accepted Answer

Perception distance, reaction distance, and braking distance.

DMV California