CDL GENERAL KNOWLEDGE TEST (IN) - PRACTICE TEST

21. The safety valve is usually set to open at:
150 psi.
200 psi.
75 psi.
100 psi.
22. Bracing is used to:
prevent movement of cargo.
increase the height of the vehicle’s center of gravity.
protect the cargo from weather.
make cargo easier to unload.
23. When feeling fatigued you should:
stop and rest.
continue driving.
increase your speed to get to your destination faster.
drink a cup of coffee.
24. Hydroplaning occurs when:
you release the accelerator too soon.
you push in the clutch to let the drive wheels turn freely.
tires lose traction.
tire pressure is high.
25. When traction is poor, as in rain or snow, you should speed up very gradually. If you don't:
you will exceed the speed limit.
the brakes will not work.
you could lose control.
brake pressure will push the rod out.
26. If you are being tailgated, you should:
increase your following distance.
speed up.
flash your brake lights.
move to the left lane.
27. The wheels of a large combination vehicle are more likely to lock up when:
you are traveling in very hot weather.
the vehicle is heavily loaded.
the trailer has new tires.
the vehicle is lightly loaded.
28. Which of the following is part of checking lights?
Turning off the engine and taking the key with you.
Getting out of the vehicle.
Turning on the headlights and four-way flashers.
All of the above.
29. The total weight of a single vehicle including its load is called:
Gross Vehicle Rating (GVR)
Gross Vehicle Weight Rating (GVWR)
Gross Combination Weight (GCW)
Gross Vehicle Weight (GVW)
30. When driving at night, to avoid glare from oncoming vehicles you should:
look directly at lights of oncoming vehicles.
wear sunglasses.
put your own high beams on when other drivers do not put their low beams on.
look slightly to the right at a right lane or edge marking.
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