SOUTH CAROLINA CDL TANKER PRACTICE TEST
11.
If a trailer does not have spring brakes, to keep the trailer from moving you should:
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close the brake valve.
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use wheel chocks.
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use the service brakes.
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park on a slight decline.
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12.
On any upgrade, gravity:
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doesn't affect your speed.
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speed you up.
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doubles your speed.
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slows you down.
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13.
Brake fade:
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is not affected by brake adjustment.
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relies on the engine braking effect.
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results from excessive heat caused by using brakes too much.
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All of the above.
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14.
Your vehicle has air brakes. To stop, you should:
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pump the brake pedal 3 times.
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push the brake pedal down.
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pull the parking brake control knob out.
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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15.
A high center of gravity:
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requires special transit permits.
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improves fuel efficiency.
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makes the vehicle less likely to roll over.
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makes the vehicle easy to roll over.
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16.
Class 1 hazardous materials include:
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Flammable liquids
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Explosives
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Radioactive materials
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Flammable solids
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17.
If the letter "G" appears in Column 1 of the Hazardous Materials Table, the description must also include:
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the hazard class or division.
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the technical name of the HazMat.
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the source of the HazMat.
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the shipper's name.
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18.
Tank vehicles:
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have a low center of gravity.
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have a high center of gravity.
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require less space for stopping and turning than most other vehicles.
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are easier to control than most other vehicles.
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19.
If a tank is leaking, you should:
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get the leak fixed immediately.
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flash your brake lights to warn other motorists.
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call your dispatcher or supervisor for instructions.
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continue the trip until you can pull into a service station.
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20.
What results from movement of the liquid in partially filled tanks?
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Liquid splashes
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Liquid flow through
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Liquid surge
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Liquid waves
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