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

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

2 / 40

Select which is not a mandatory emergency equipment:

3 / 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.

4 / 40

To inspect the______you should pump the pedal 3 times and hold it down for 5 seconds while making sure the pedal doesn't move during those 5 seconds.

5 / 40

This object should be clean with no obstructions, illegal stickers or damage to the glass.

6 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

7 / 40

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

8 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

9 / 40

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

10 / 40

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

11 / 40

What gauge on the dashboard indicates electrical system charging rate?

12 / 40

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

13 / 40

What is the normal operating range for a truck's oil pressure?

14 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

15 / 40

The minimum tread depth for steering axle tires is:

16 / 40

Select the false statement about suspension:

17 / 40

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

18 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

19 / 40

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

20 / 40

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

21 / 40

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

22 / 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.

23 / 40

Select which is not an engine compartement belt:

24 / 40

When inspecting the_____you pump the pedals 3 times and then hold it down for 5 seconds feeling for no movement to occur.

25 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

26 / 40

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

27 / 40

There must not be more than_____for engine compartment belts.

28 / 40

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

29 / 40

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

30 / 40

This gauge has a governor cut-off.

31 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

32 / 40

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

33 / 40

You should check that the following makes an audible noise:

34 / 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.

35 / 40

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

36 / 40

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

37 / 40

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

38 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

39 / 40

The belt that you need to make sure is securely mounted, without frays, and adjusts and latches properly is the:

40 / 40

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

Your score is

The average score is 62%

5/5 - (1 vote)

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