ILLINOIS CDL PRACTICE TEST - GENERAL KNOWLEDGE

11. When using a fire extinguisher, you should:
Keep as close to the fire as possible.
Aim at the base of the fire.
Aim at the flames.
All of the above.
12. If you are traveling at 55 mph in a 30 foot vehicle, how many seconds of following distance should you have?
5 seconds
3 seconds
2 seconds
4 seconds
13. When checking the steering system for defects, you should look for:
cut or cracked valve stems.
bent, loose, or broken parts, such as tie rods.
loose, broken, or missing tailpipes.
missing or broken leaves in any leaf spring.
14. Fatigue:
does not impair vision and judgment.
increases the chance of an accident.
can easily be prevented by drinking coffee.
has little or no effect on driving.
15. When your drive wheels have poor traction, retarders:
will stop working.
can cause your wheels to skid.
will help you regain traction.
will apply the spring brakes.
16. To correct a drive-wheel skid, you should NOT:
Steer into the skid.
Countersteer.
Push in the clutch.
Stop braking.
17. If you are driving a 50 foot truck and you are traveling at 55 mph, you should have at least _________ of following distance.
6 seconds
3 seconds
5 seconds
12 seconds
18. When checking the condition of the visible parts during your pre-trip inspection, make sure that the _________ are secured against rubbing, snagging or wearing.
tailboards
side boards and stakes
reflectors
air lines and electrical wiring
19. Broken suspension parts:
should not be a concern unless you are driving on steep grades.
can be extremely dangerous.
hold up the vehicle and its load and keep the axles in place.
All of the above.
20. What are the two basic reasons for covering cargo?
To protect the cargo from weather and to avoid littering.
To protect people from spilled cargo and the cargo from weather.
To protect people from spilled cargo and the cargo from pilferage.
To protect the cargo from pilferage and from weather.
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