GENERAL KNOWLEDGE CDL TEST SOUTH CAROLINA - PRACTICE TEST
11.
During the pre-trip vehicle inspection test, when examining hoses with the examiner, look for:
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frays in the water pump belt.
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spare electrical fuses.
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the temperature gauge.
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puddles on the ground.
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12.
The air tanks should be drained completely to remove:
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carbon monoxide.
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water and oil.
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the radiator cap.
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air.
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13.
The hazardous materials endorsement is valid for:
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1 year
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4 years
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5 years
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2 years
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14.
In a vehicle with a dual air brake system:
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each system has its own air tanks.
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both systems typically operate the regular brakes on the rear axle.
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one system supplies air to the trailer.
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All of the above.
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15.
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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16.
As your blood alcohol concentration (BAC) builds up, which of the following is affected?
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Vision
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Coordination
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Muscle control
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All of the above.
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17.
If your vehicle gets stuck on the railroad tracks, you should:
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get out of your vehicle and away from the tracks.
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gather up your paperwork and shipping papers while calling 911, then get out of the vehicle.
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check for identifiable landmarks to give the location of the crossing.
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All of the above.
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18.
Before transporting a sealed load, you must check that:
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the cargo is piled up.
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the load is properly secured.
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the placard numbers and the seal numbers match.
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the seal on the load is secure.
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19.
The best way to test the trailer service brakes is to:
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pull forward quickly, then apply the trailer brakes with your hand control.
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accelerate to the maximum possible speed, then apply the trailer brakes fully.
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put the handbrake on when there are no vehicles around you.
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None of the above.
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20.
When shifting up, you should release accelerator, push in clutch and shift to neutral at the same time, and then?
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Push in the clutch again
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Release the clutch
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Shift up
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Press the accelerator
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