CDL GENERAL KNOWLEDGE TEST (CO) - PRACTICE TEST

21. When driving through a construction zone, you should:
watch for pavement drop-offs.
turn on your parking lights.
immediately come to a full stop and check for pedestrians.
maintain your speed, unless there are people working on or near the roadway.
22. After starting the engine, the ABS light stays on. This means:
the ABS oil level is not adequate.
the ABS is working properly.
the ABS is in Neutral.
the ABS is not working properly.
23. The amount of liquid to load into a tank depends on:
the amount the liquid will expand in transit.
legal weight limits.
the weight of the liquid.
All of the above.
24. Fully loaded rigs:
are less likely to roll over than empty rigs.
are just as likely to roll over as empty rigs.
are much more likely to roll over than empty rigs.
None of the above.
25. Which of the following statements about using turn signals is true?
To keep others from trying to pass you, you should signal just before you turn.
To turn safely you must keep one hand on the wheel.
You should use your turn signals when your vehicle is parked at the side of the road.
None of the above.
26. During a walk around inspection, which of the following should you check?
Condition of wheel and rim.
Condition of the front axle.
Shock absorber condition.
All of the above.
27. Headlights:
must be turned on a half hour before sunset to a half hour after sunrise.
should be out of adjustment.
should not be used when driving at night.
can blind other drivers.
28. When conducting a pre-trip inspection:
you should review the last vehicle inspection report.
the inspection report should only be reviewed if you will be carrying passengers.
the vehicle inspection report should not be reviewed unless your supervisor tells you to do so.
None of the above.
29. When making a turn, you should turn off your turn signal:
after you've turned.
during the turn.
to keep others from trying to pass you.
before entering the turn.
30. Foundation brakes are used:
only with the rear wheels.
only with the front wheels.
at each wheel.
only with the right wheels.
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