CDL Prep Quiz #4

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As part of the pre-trip inspection, check that the (a)   are securely fastened to the floor, the frames are intact and undamaged, and the cushions are firmly attached to the frames.

Mark only one oval.

• emergency equipment

• shock absorbers

• seats

• lighting indicators

Which parts should you inspect to make sure that they are not worn out, spliced, chafed, cut, tangled, pinched, or dragging against any parts of the tractor?

• electrical lines and air lines

• locking jaws

• splash guards

• door ties and lifts

What could cause the fifth wheel assembly and frame to move about if it were missing or loose?

• the brake drum/linings

• the brake chambers

• the brake hoses/lines

• all of the above

Which of the following does not necessarily need to be checked when inspecting the drum brake?

• holes, cracks, or dents in the brake drum

• leaking fluid

• contaminants like grease or oil in the brake drum

• brake linings that are dangerously thin

What part of the structure holding up the fifth wheel skid plate needs to be inspected for breaks or cracks?

• kingpin

• platform

• sliding pintle

• apron

If your vehicle is attached to a semitrailer, you will need to check the landing gear to make sure that the is not damaged. This is part of the vehicle inspection test.

Mark only one oval.

• trailer air lines

• support frame

• stop arm

• windshield

• support frame

• stop arm

• windshield

• trailer air lines

A converter dolly is hooked to the front trailer using safety chains. In what position should the chains be placed?

• Under the bumper of the trailer; hooks facing downward

• Under the bumper of the trailer; hooks facing upward

• Over the bumper of the trailer; hooks facing downward

• Over the bumper of the trailer; hooks facing upward

What part of the vehicle maintains an angle of about 90 degrees between the pushrod and arm when the brakes are released, and up to 90 degrees when the brakes are applied?

• the brake linings

• the brake chambers

• the slack adjusters

• the shock absorbers

The dipstick is used to check the:

• water level

• windshield washer fluid level

• coolant level

• oil level