ME CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
11.
Class A:B:C fire extinguishers are designed to work on:
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burning liquids.
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electrical fires.
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All of the above.
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12.
When driving at night you should:
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always use low beams.
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use your high beams when it is safe and legal to do so.
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All of the above.
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13.
Multi-speed rear axles and auxiliary transmissions are used:
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to make it easier to change gears.
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to provide extra gears.
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to reduce brake wear.
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14.
If are being followed closely, you should:
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change lanes quickly.
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increase your following distance.
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decrease your following distance.
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15.
Foundation brakes are used:
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only with the front wheels.
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only with the right wheels.
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at each wheel.
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16.
In an emergency, if you have to drive off the road you should:
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avoid using the brakes until your speed has dropped.
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keep one set of wheels on the pavement, if possible.
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All of the above.
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17.
When you have to back, you should use a helper:
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only when you back up with a trailer.
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when you need to back on a curved path.
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whenever possible.
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18.
If your trucks has a high center of gravity, which of the following is true for curves?
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Reduce your speed to a crawl.
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You should travel at the posted speed limit.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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19.
Stab braking cannot be used in vehicles with:
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air brakes.
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spring brakes.
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anti-lock brakes.
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20.
To warn drivers behind you when you see you'll need to slow down, you should:
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sound your horn.
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use your headlights.
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flash the brake lights.
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