CDL GENERAL KNOWLEDGE TEST (CALIFORNIA) - PRACTICE TEST

11. You must have at least _____ inch tread depth in every major groove on front tires.
6/32
4/32
2/32
12. ________ is the distance your vehicle will travel, in ideal conditions, while you are braking.
Reaction distance
Perception distance
Braking distance
13. When you pull off the road and stop, you should:
use the taillights.
turn on the 4-way emergency flashers.
flash your brake lights.
14. What is the most important reason for doing a vehicle inspection?
Safety for yourself and for other road users.
It's required by law.
To avoid fines.
15. To test for hydraulic leaks, you should:
pump the brake pedal three times, then hold the pedal for five seconds. The pedal should not move.
apply the brakes firmly using the brake pedal and check to see if the brake pedal returns to its normal position.
use the stab braking method, then re-apply the brakes as soon as you can.
16. Name two situations in which it may not be safe to operate your vehicle at legal maximum weights.
In heavy traffic or at night
During bad weather or in mountains
Over bridges or through tunnels
17. When backing a trailer, turn the wheel right to make the cab go ________ and the trailer go ________.
right; left
left; left
left; right
18. If driving a new vehicle, you should familiarize yourself with the controls and equipment:
within the first 50 miles.
as you drive.
before you start driving.
19. To test the service brake:
shift your transmission to a low gear, pump the brake pedal three times, then hold it down for five seconds.
gently try to pull forward with the trailer parking brake on, then release the brake.
push the brake pedal firmly while going about 5 mph.
20. The distance your vehicle travels, in ideal conditions, from the time you see a hazard until your brain recognizes it, is called:
Reaction distance
Perception distance
Stopping distance
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