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CDL PRACTICE TEST - GENERAL KNOWLEDGE (ALASKA)

31. Which of these can impair your vision and judgment, make you drowsy or otherwise affect safe driving ability?
Some over-the-counter drugs
Alcoholic drinks
All of the above.
32. Which of the following statements about tire failure is true?
If the steering feels heavy, it may be a sign one of the rear tires has failed.
Any time you hear a tire blow, you would be safest to assume it is not yours.
It can take a few seconds for your vehicle to react, and you might think it was some other vehicle.
33. Which of these should make you reject a vehicle until it is rectified?
Tires from different manufacturers
Tires of different sizes
Tires with different tread patterns
34. If you find anything unsafe during the pre-trip inspection, you are required to:
write it in your inspection report.
drive cautiously until it is fixed.
get it fixed before driving.
35. If you go twice as fast, your stopping distance will increase by:
four times.
two times.
eight times.
36. Under a pressurized system, the radiator cap:
should be removed when the coolant is hot.
should never be hot.
should never be removed until the system has cooled.
37. When should you turn the retarder off?
when your vehicle has a high center of gravity.
when the road is slippery.
when the cargo is heavy.
38. If your vehicle thumps or vibrates heavily, it may be a sign that:
one of the tires has gone flat.
you need to shift up.
the brakes have failed.
39. To maintain alertness while driving, you should:
take periodic breaks.
keep cool by opening the window while eating heavy foods.
avoid short breaks and keep the window open.
40. You should always back and turn toward the driver's side:
unless you have someone to help you.
unless it means having to go around the block first.
so you can watch the rear of your vehicle by looking out the side window.
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