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

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

2 / 40

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

3 / 40

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

4 / 40

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

5 / 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.

6 / 40

Select which is not a mandatory emergency equipment:

7 / 40

There must not be more than_____for engine compartment belts.

8 / 40

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

9 / 40

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

10 / 40

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

11 / 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.

12 / 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 _____.

13 / 40

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

14 / 40

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

15 / 40

Play of the steering wheel should not exceed:

16 / 40

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

17 / 40

You should check that the following makes an audible noise:

18 / 40

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

19 / 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.

20 / 40

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

21 / 40

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

22 / 40

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

23 / 40

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

24 / 40

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

25 / 40

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

26 / 40

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

27 / 40

This gauge has a governor cut-off.

28 / 40

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

29 / 40

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

30 / 40

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

31 / 40

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

32 / 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.

33 / 40

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

34 / 40

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

35 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

36 / 40

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

37 / 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.

38 / 40

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

39 / 40

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

40 / 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?

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