CDL Pre-Trip
Inspection Test


This is the Commercial Vehicle Driver's License Test covering Pre-Trip Inspection.  You will be presented with 40 questions and you must answer 34 questions correctly to pass.  There is no time limit.  You may not go back once you answer a question.  Click the "Start Quiz" button below to begin.  Good luck!

1 / 40

On tandem axle for trailers, the sliding mechanism and locking device is:

2 / 40

How do you check the power steering fluid?

3 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

4 / 40

Before pulling away, make sure the landing gear of the trailer is:

5 / 40

There must not be more than_____for engine compartment belts.

6 / 40

This object should be free of shiny treads, rust, free of cracks and distortions.

7 / 40

This object is not checked at the rear of the trailer.

8 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

9 / 40

A minimum tread depth of 2/32 inch is required for:

10 / 40

Rods, connecting links, and arms from the steering box to the wheel are a part of the:

11 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

12 / 40

You should check that the _____are secure, caps are on tight, and is not leaking.

13 / 40

Select the item that is not checked in the engine compartment:

14 / 40

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

15 / 40

Select which is not an engine compartement belt:

16 / 40

This gauge has a governor cut-off.

17 / 40

What are you checking when looking at the lubrication level on a dipstick?

18 / 40

When checking for_____you are looking for dripping fluids or puddles on the ground below the transmission or engine.

19 / 40

You should check that the following makes an audible noise:

20 / 40

The sliding mechanism and locking device for a tandem axle on trailers is:

21 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

22 / 40

This object releases the fifth wheel locking jaw to allow uncoupling.

23 / 40

When this item is missing or loose, movement may occur between the fifth wheel assembly and the frame.

24 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

25 / 40

This gauge will indicate if the generator or alternator is charging:

26 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

27 / 40

How do you check the coolant level?

28 / 40

What will occur as a result of failing to perform all 3 components of the air brake check?

29 / 40

This item does not need to be checked during the cab check.

30 / 40

If there is not a sight glass to check the oil level you are required to look for leaks around the _____.

31 / 40

This should be cleaned and then adjusted properly while inside the cab.

32 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

33 / 40

What gauge on the dashboard indicates electrical system charging rate?

34 / 40

Select the false statement about suspension:

35 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

36 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

37 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

38 / 40

The object that doesn't get checked at the side of the trailer is the:

39 / 40

If there is rust around the nuts, what may it indicate?

40 / 40

The minimum tread depth for steering axle tires is:

Your score is

The average score is 79%

5/5 - (1 vote)

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