CDL Quiz #4

Front

Pre-trip inspection: Check that the seats are securely fastened to the floor, frames are intact, and cushions are attached.

Back

Seats

Front

Inspect these parts to ensure they are not worn, spliced, chafed, cut, tangled, pinched, or dragging against the tractor.

Back

Electrical lines and air lines

Front

Cause of movement in the fifth wheel assembly and frame when missing or loose

Back

The brake drum/linings, the brake chambers, the brake hoses/lines, or all of the above.

Front

Inspection requirement for drum brake

Back

Contaminants like grease or oil in the brake drum.

Front

Part of the structure holding up the fifth wheel skid plate that needs inspection for breaks or cracks

Back

Kingpin, platform, sliding pintle, or apron.

Front

If your vehicle is attached to a semitrailer, check the landing gear to ensure the trailer air lines are not damaged.

Back

This is part of the vehicle inspection test.

Front

A converter dolly is hooked to the front trailer using safety chains. Chains should be placed under the bumper of the trailer with hooks facing upward.

Back

This ensures proper safety and stability.

Front

The slack adjusters maintain 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.

Back

This is crucial for proper brake function.

Front

The dipstick is used to check the:

Back

Oil level

Front

Part of the braking system that converts air pressure to mechanical force:

Back

Brake chamber