CDL GENERAL KNOWLEDGE TEST (TENNESSEE) - PRACTICE TEST

11. Empty trucks:
are higher than loaded trucks.
require greater stopping distances.
have less traction.
All of the above.
12. Use of drugs can lead to traffic accidents resulting in:
Injury
Death
Property damage
All of the above.
13. If driving a new vehicle, you should familiarize yourself with the controls and equipment:
before you start driving.
as you drive.
after pulling into a service station.
within the first 50 miles.
14. You should signal your intention to turn at least ____ before turning or changing lanes.
50 feet
100 feet
250 feet
75 feet
15. Older trailers do not have spring brakes. If the air supply leaks away:
the ABS won't work properly.
the trailer will stop normally.
there will be no emergency brakes.
All of the above.
16. When backing a trailer, you should turn the steering wheel to the right to make the trailer go left (or vice versa). Once the trailer starts to turn, you should:
keep backing up.
turn the wheel more  in the direction you want to go.
turn the wheel the other way to follow the trailer.
None of the above.
17. Brake fade results from:
using brakes in cold weather.
excessive heat caused by using brakes too much.
wet brakes.
All of the above.
18. The minimum amount of tread for rear tires is:
1/32 of an inch
1/8 of an inch
1/64 of an inch
2/32 of an inch
19. To test your hydraulic brakes for leaks:
apply firm pressure to the brakes for five seconds, then pump them three times.
pump the brake pedal three times, then hold it down for five seconds.
turn off the engine and and listen for leaks.
None of the above.
20. When you use mirrors while driving on the road, you should:
check quickly.
only use one mirror.
focus on the mirrors for a long time.
never look back and forth between the mirrors and the road ahead.
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