MARYLAND CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
In ideal conditions, if you are driving at 55 mph your vehicle will travel a minimum of _______ until you can bring it to a complete stop.
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209 feet
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At least 350 feet
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419 feet
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250 feet
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12.
If you cannot see well enough while driving in cold weather, you should:
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keep driving and check that the wiper blades press against the window hard enough to wipe the windshield clean.
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reduce your speed and make sure
the windshield washer works.
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turn your defroster on and slow down until you can see again.
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stop safely and fix the problem.
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13.
The speed limit is 55 mph. Traffic is heavy, moving at 35 mph. What's the safest speed in this situation?
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25 mph
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40 mph
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45 mph
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35 mph
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14.
Name 2 causes of tire fires.
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Over-inflated tires and duals that touch.
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Under-inflated tires and duals that touch.
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Driver smoking and bleeding tar.
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Loose connections and poor ventilation.
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15.
Class 8 hazardous materials include:
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Poison
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Explosive materials
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Corrosives
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Flammable solids
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16.
Loose engine belts will:
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should not be tightened.
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not turn the water pump and/or fan properly, which will result in overheating.
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improve fuel efficiency.
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will make it easier to stop quickly.
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17.
Which of the following statements about tire failure is true?
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Any time you hear a tire blow, you would be safest to assume it is not yours.
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If the steering feels heavy, it may be a sign one of the rear tires has failed.
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It can take a few seconds for your vehicle to react, and you might think it was some other vehicle.
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All of the above.
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18.
Foundation brakes are used:
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only with the rear wheels.
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only with the right wheels.
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only with the front wheels.
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at each wheel.
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19.
You are driving on a two-lane road. If an oncoming driver has drifted into your lane:
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you should downshift.
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a move to your left is best.
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you should brake as hard as you can.
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a move to your right is best.
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20.
Wheel and rim problems include:
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mismatched lock rings.
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missing clamps.
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rust around wheel nuts.
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All of the above.
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