VERMONT CDL DOUBLES TRIPLES PRACTICE TEST
11.
When driving a double or triple, you should:
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decrease your following distance.
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drive in the left lane whenever possible.
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increase your following distance.
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12.
To prevent getting sleepy while driving, you should:
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drive alone whenever possible.
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keep cool by opening the window.
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keep the cab warm.
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13.
When driving a double or triple:
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the more heavily loaded trailer should be in the rear.
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the more heavily loaded trailer should be directly behind the tractor.
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all trailers should have the same weight.
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14.
By pushing the trailer air supply control knob in, you:
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shut the air off and put on the trailer emergency brakes.
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supply the tires with air.
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supply the trailer with air.
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15.
If the safety relief valve in the air brake system releases air:
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this will supply more power to the brakes.
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the valve is fully operational.
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something is wrong.
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16.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
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several times
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for one stop
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for one day
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17.
When driving at night you should dim your lights when following another vehicle within:
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1 mile.
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500 feet.
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100 feet.
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18.
Which of the following is not a braking system on a truck?
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Service brake
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Parking brake
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Steering brake
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19.
Hydroplaning:
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can occur at speeds as low as 30 mph.
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can occur only if there is a lot of water on the road.
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is less likely if tire pressure is low.
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20.
Which of the following is NOT true?
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ABS will change the way you normally brake.
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ABS only comes into play when a wheel would have locked up because of over braking.
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ABS won't compensate for bad brakes.
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