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 damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

2 / 40

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

3 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

4 / 40

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

5 / 40

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

6 / 40

Select which is not an engine compartement belt:

7 / 40

How do you check the power steering fluid?

8 / 40

Play of the steering wheel should not exceed:

9 / 40

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

10 / 40

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

11 / 40

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

12 / 40

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

13 / 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.

14 / 40

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

15 / 40

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

16 / 40

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

17 / 40

You should check that the following makes an audible noise:

18 / 40

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

19 / 40

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

20 / 40

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

21 / 40

This object should not be worn dangerously thin where visible.

22 / 40

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

23 / 40

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

24 / 40

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

25 / 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?

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

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

28 / 40

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

29 / 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.

30 / 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.

31 / 40

What gauge on the dashboard indicates electrical system charging rate?

32 / 40

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

33 / 40

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

34 / 40

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

35 / 40

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

36 / 40

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

37 / 40

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

38 / 40

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

39 / 40

Select the false statement about suspension:

40 / 40

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

Your score is

The average score is 82%

5/5 - (1 vote)

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