VA CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
Which of the following are possible causes of tire fires?
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Over-inflated tires and short circuits.
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Under-inflated tires and dual tires that touch.
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Loose fuel connections or under-inflated tires.
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12.
Wheel rims that have had welding repairs:
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should be placed in the front.
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are safe.
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should not be used.
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13.
Do NOT use water on a _______ fire.
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cloth
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paper
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gasoline
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14.
If during vehicle inspection a tire is too hot to touch, you should:
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remain stopped until the tire cools off.
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immediately decrease air pressure.
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let air out.
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15.
Driving without a CDL, or with a suspended CDL, incurs:
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a large fine.
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a civil penalty or, in aggravated cases, criminal penalties.
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All of the above.
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16.
If the drive wheels start to skid:
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use the brakes to slow down.
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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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17.
Which surface is the most slippery?
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Wet ice
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Wet pavement
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Ice that is not wet
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18.
When driving, you should be alert for:
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drivers whose vision is blocked.
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people who are distracted.
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All of the above.
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19.
If your vehicle thumps or vibrates heavily, it may be a sign that:
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one of the tires has gone flat.
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you need to shift up.
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the brakes have failed.
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20.
The posted speed limit for a curve:
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is safe for trucks or buses, but it may be too fast for cars.
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may be too fast for many trucks or buses.
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is safe for all vehicles.
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