CDL Pre Trip Inspection Practice Test

#1. Check the following belts for snugness (up to 3/4 inch play at center of belt), cracks, or frays:

Power steering belt

Water pump belt

Alternator belt

Air compressor belt

All of these

#2. True or False: U bolts and tie rod are found in the engine compartment.

True

False

#3. The five functions of the lights are: Left turn signal; Right turn signal; Four way flashers; _; _

High/low beams; Brake lights.

Fog lights; Interior lights,

#4. True or false: When checking the steer tire tread depth should have a depth no less than 4/32 of an inch.

True

False

#5. True or False: With the brakes released and pulled by hand, the push rod should never move more than 2 inches.

True

False

#6. When checking the __________________ make sure it’s not leaking and it’s filled to the manufacturer’s specifications.

Tie rod

Power steering fluid reservoir

Shock absorber

#7. When checking the ____________ there should be none missing. Look for rust trails powder residue and cracks around the bolt holes.

Lug nuts

Hub seal

Cotter pins

#8. When checking the belt driven alternator it should not be cracked or frayed and the free play on the belt should be between _____________

1 to 2 inches

½ to ¾ of an inch

There should be no free play

#9. True or false: The brake chamber, brake drum and brake hose should be checked in the engine compartment, driver door fuel area and trailer.

True

False

#10. True or False: When checking the drive shaft, it should not be twisted and the u-joints should be free of any debris.

True

False

#11. The airbag is made out of _________.

Nylon

Rubber

Plastic

#12. On the brake lining, There should be at least _____ of an inch of friction material.

.25 inch

.50 inch

.75 inch

#13. When checking the drive tire the tread and sidewalls should have no abrasions, bulges or cuts and the tread depth should be no less than _______ of an inch.

2/32

5/32

7/32

#14. True or False: When checking trailer tire, there should be no abrasions, bulges or cuts to the tread or sidewalls. Tread depth should be no less than 2/32 of an inch. The tire should be properly filled to manufacturer’s specifications and checked with an air gauge.

True

False

#15. There are how many stages in an air brake test?

2

3

4

#16. In cab emergency equipment should include a fire extinguisher, 3 red reflective triangles and ____________.

Icy hot

Snacks

Spare electrical fuses

#17. True or False: It is sufficient to visually check that the locking jaws is fully locked around the king pin.

True

False

#18. True or False: Any space between the apron and the skid plate is called a “gap”. And there should be no space between the apron and the skid plate.

True

False

#19. The light check includes: ____________ Both sides of the truck; Rear of the truck; Both sides of the trailer; Rear of the trailer.

Top of the truck;

Front of the truck;

#20. True or False: When inspecting the coolant level of a hot engine you will inspect the reservoir sight glass. If the engine is not hot, remove the radiator cap and check for a visible coolant level.

True

False

#21. Check that the landing gear is __________, has no missing parts, the crank handle is secure, and the support frame is not damaged.

fully lowered

raised to about 50%

fully raised

#22. True or False: You will not get credit if you simply kick the tires or strike the tire with a mallet or other similar device to check for proper inflation. You must use a tire gauge.

True

False