CDL GENERAL KNOWLEDGE TEST (WEST VIRGINIA) - PRACTICE TEST

11. Which of the following statements about brake shoes is true?
brakes can fade or fail from excessive heat caused by relying too much on the engine braking effect.
Brake drums must have cracks longer than half the width of the friction area.
Brake shoes should be thinner than ¼ inch.
None of the above.
12. Foundation brakes are used:
only with the front wheels.
at each wheel.
only with the right wheels.
only with the rear wheels.
13. If the air pressure gets too low:
the brakes will not work.
ABS will help maintain vehicle control.
the brakes will lock up.
you should set the parking brake.
14. If driving in a foggy area, you should NOT:
use high beams for best visibility.
slow down before you enter fog.
use roadside highway reflectors as guides.
turn on 4-way emergency flashers.
15. If you have a manual transmission, when stopping don't _______ until the engine rpm is down close to idle.
push the clutch in
apply the brakes
place the transmission in park
shift to second gear
16. To make the brakes work, air brakes use:
hydraulic air.
carbon monoxide.
compressed air.
nitrogen.
17. At dawn, dusk, in rain or snow, to make yourself easier to see you should:
use the low beams.
use the emergency flashers.
use the high beams.
use the parking lights.
18. Class 1 hazardous materials include:
Flammable solids
Radioactive materials
Explosives
Flammable liquids
19. What three things add up to total stopping distance?
Perception distance, reaction distance and braking distance
Reaction distance + viewing distance + braking distance
Reaction distance + braking distance
Braking distance + stopping distance
20. When backing, you should:
back and turn toward the right side.
use a helper if possible.
back quickly.
avoid using the mirrors.
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