CDL GENERAL KNOWLEDGE TEST (NJ) - PRACTICE TEST

21. Regrooved tires:
cannot be used on the front wheels of buses.
cannot be used on the wheels of buses.
cannot be used on the rear wheels of buses.
None of the above.
22. What are the two basic reasons for covering cargo?
To protect people from spilled cargo and the cargo from pilferage.
To protect people from spilled cargo and the cargo from weather.
To protect the cargo from weather and to avoid littering.
To protect the cargo from pilferage and from weather.
23. When trying to put out an electrical fire you should:
use a B or C extinguisher.
use an D extinguisher.
use water.
use an A extinguisher.
24. Blocking _______________ to keep it from sliding.
is used only in the back of a piece of cargo
goes from the upper part of the cargo to the floor
is used in the front, back, and/or sides of a piece of cargo
None of the above.
25. Drivers should inspect their cargo and its securing devices within the first _______ after beginning the trip.
15 miles
100 miles
25 miles
50 miles
26. What is a "header board"?
The pressure gauge connected to the air tank.
A safety device that protects you from your cargo in case of an accident.
The back door of the cargo compartment.
Another term for the brake camshaft.
27. To maintain alertness while driving, you should:
rely on caffeine.
take periodic breaks – about every 250 miles.
protect yourself from glare with sunglasses.
keep the cab warm.
28. Headlights:
can blind other drivers.
should be out of adjustment.
must be turned on a half hour before sunset to a half hour after sunrise.
should not be used when driving at night.
29. You must have at least 4/32 inch tread depth in every major groove on front tires and at least ___ inch on other tires.
3/32
2/32
4/32
1/32
30. If a vehicle is equipped with ABS, when you start the engine:
the trailer emergency brakes will come on.
the ABS indicator light on the dash should come on and then turn off.
the wheels will lock up.
the spring brakes will come on.
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