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

This object should not be worn dangerously thin where visible.

2 / 40

This carries hydraulic fluid or air to the wheel brake assemby.

3 / 40

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

4 / 40

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

5 / 40

While completing the 2nd component of the air brake check you are required to turn the electrical power on, begin fanning off the air pressure by rapidly relasing and apply the foot brake and _____.

6 / 40

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

7 / 40

The brake pushrod should not move more than____for manual slack adjusters.

8 / 40

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

9 / 40

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

10 / 40

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

11 / 40

Select which is not a mandatory emergency equipment:

12 / 40

These tires should have a minimum tread depth of 4/32 inches.

13 / 40

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

14 / 40

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

15 / 40

What gauge on the dashboard indicates electrical system charging rate?

16 / 40

This gauge has a governor cut-off.

17 / 40

How do you check the coolant level?

18 / 40

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

19 / 40

This should have no illegal stickers, dirt, obstructions, or damage to the glass.

20 / 40

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

21 / 40

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

22 / 40

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

23 / 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.

24 / 40

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

25 / 40

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

26 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

27 / 40

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

28 / 40

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

29 / 40

This object should not have any missing parts, be fully raised, the crank handle is secured, and that there is no damage to the frame.

30 / 40

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

31 / 40

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

32 / 40

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

33 / 40

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

34 / 40

Select which is not an engine compartement belt:

35 / 40

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

36 / 40

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

37 / 40

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

38 / 40

Play of the steering wheel should not exceed:

39 / 40

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

40 / 40

Select the false statement about suspension:

Your score is

The average score is 0%

5/5 - (1 vote)

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