CDL DOUBLES PRACTICE TEST VIRGINIA
11.
During a walk around inspection of a double or triple trailer, make sure that the converter dolly air tank drain valve is _____ and the glad hands are ______.
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closed; properly connected
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open; not connected
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open; properly connected
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12.
Which of the following statements about drivers fixing an engine or changing a tire is true?
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Roadway traffic is not a danger to them.
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They often do not pay attention to roadway traffic.
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They usually pay attention to the danger roadway traffic is to them.
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13.
You hear a loud "bang" which sounds like a tire blowout. You should:
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check the tires at the next stop.
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keep driving as normal.
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assume you
have a tire failure.
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14.
Foundation brakes are used:
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only with the right wheels.
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only with the front wheels.
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at each wheel.
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15.
Which of these is more likely to rollover due to the "crack-the-whip" effect?
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The front trailer of 65 ft. conventional doubles
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The last trailer of doubles
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The last trailer of triples
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16.
If you doubt you have enough space to pass under a bridge, you should:
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turn on your headlights.
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drive faster.
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go slowly.
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17.
If brakes fail on a long downgrade, you should:
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pump the brake pedal 3 times.
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turn off the engine as soon as you.
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use an escape ramp if it is available.
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18.
If the drive wheels start to skid:
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accelerate slightly to regain control.
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push in the clutch to let them turn freely.
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use the brakes to slow down.
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19.
How should you brake if your vehicle loses ABS?
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Step on and off the brake pedal several times
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Brake as you always have.
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Pump the brake repeatedly
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20.
If during vehicle inspection a tire is too hot to touch, you should:
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let air out.
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remain stopped until the tire cools off.
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immediately decrease air pressure.
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