IN CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
11.
Which of the following is NOT a type of retarder?
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Hydraulic
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Engine
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Anti-lock
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Electric
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12.
As part of your pre-trip inspection, make sure:
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the cargo is balanced properly.
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the vehicle is not overloaded.
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your cargo does not obscure your view.
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All of the above.
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13.
When you have to back, you should use a helper:
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when you need to back on a curved path.
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only when backing toward the right side.
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whenever possible.
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only when you back up with a trailer.
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14.
When driving through a construction zone, you should:
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maintain your speed, unless there are people working on or near the roadway.
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watch for pavement drop-offs.
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turn on your parking lights.
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immediately come to a full stop and check for pedestrians.
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15.
Black ice is:
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dirty snow.
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a thin layer of ice clear enough that you can see the road underneath it.
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rain and snow mixed.
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wet ice.
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16.
Whenever you back up with a trailer, position your vehicle so you can back in a straight line. If you must back on a curved path, back toward:
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the driver's side.
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the right side.
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Neither side (do not back).
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Either side.
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17.
Skids caused by acceleration can usually be stopped by:
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taking the foot off the accelerator.
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applying the brakes firmly.
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coming to a complete stop.
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speeding up.
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18.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
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check your rearview mirrors to see if you have a flat tire.
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brake hard and pull off the road.
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hold the steering wheel firmly and stay off the brake.
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pump the brakes until the vehicle has slowed down.
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19.
Which of the following statements about tire failure is true?
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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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Any time you hear a tire blow, you would be safest to assume it is not yours.
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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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20.
To test your parking brake, do the following:
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Set the parking brake, and gently pull against it in a low gear.
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Speed up to 15 mph, then set the parking brake.
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Set the parking brake while going downhill.
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Speed up to 5 mph, then set the parking brake.
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