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

The longest crack that brake or disc drums can have is:

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

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

5 / 40

Select which is not a mandatory emergency equipment:

6 / 40

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

7 / 40

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

8 / 40

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

9 / 40

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

10 / 40

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

11 / 40

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

12 / 40

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

13 / 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.

14 / 40

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

15 / 40

Play of the steering wheel should not exceed:

16 / 40

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

17 / 40

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

18 / 40

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

19 / 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.

20 / 40

What gauge on the dashboard indicates electrical system charging rate?

21 / 40

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

22 / 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?

23 / 40

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

24 / 40

How do you check the power steering fluid?

25 / 40

You should check that the following makes an audible noise:

26 / 40

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

27 / 40

This gauge has a governor cut-off.

28 / 40

How do you check the coolant level?

29 / 40

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

30 / 40

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

31 / 40

When inspecting the ______you are making sure that the lines and hoses are not chafed, cut, pinched, or dragged against tractor parts.

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

This object should not be worn dangerously thin where visible.

34 / 40

Select which is not an engine compartement belt:

35 / 40

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

36 / 40

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

37 / 40

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

38 / 40

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

39 / 40

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

40 / 40

The gauge that needs to come up to normal levels after starting the engine within a few seconds is _____.

Your score is

The average score is 69%

5/5 - (1 vote)

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