CDL Pre-Trip
Inspection Test

0

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

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

2 / 40

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

3 / 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?

4 / 40

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

5 / 40

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

6 / 40

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

7 / 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.

8 / 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.

9 / 40

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

10 / 40

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

11 / 40

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

12 / 40

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

13 / 40

How do you check the coolant level?

14 / 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.

15 / 40

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

16 / 40

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

17 / 40

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

18 / 40

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

19 / 40

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

20 / 40

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

21 / 40

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

22 / 40

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

23 / 40

This object should not be worn dangerously thin where visible.

24 / 40

Select which is not an engine compartement belt:

25 / 40

The minimum tread depth for steering axle tires is:

26 / 40

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

27 / 40

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

28 / 40

You should check that the following makes an audible noise:

29 / 40

How do you check the power steering fluid?

30 / 40

Select the false statement about suspension:

31 / 40

What gauge on the dashboard indicates electrical system charging rate?

32 / 40

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

33 / 40

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

34 / 40

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

35 / 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 _____.

36 / 40

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

37 / 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.

38 / 40

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

39 / 40

There must not be more than_____for engine compartment belts.

40 / 40

This gauge has a governor cut-off.

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