CDL PRACTICE TEST (KY) - GENERAL KNOWLEDGE TEST
11.
With an engine fire, you should:
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not shoot foam from the vehicle’s underside.
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open the hood as soon as possible.
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turn the engine off as soon as possible.
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All of the above.
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12.
Traction is:
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friction between the front and rear tires.
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the maximum safe weight a tire can carry at a specified pressure.
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the distance your vehicle will travel while you
are braking.
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friction between the tires and the road.
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13.
Which of the following statements is true?
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Poor cargo ventilation is a common cause of fire.
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Carrying a properly charged and rated fire extinguisher will help prevent fires.
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Under-inflated tires will NOT cause a vehicle fire.
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There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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14.
Which of the following statements about backing heavy vehicles is true?
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You should avoid backing whenever you can.
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The helper should stand where you cannot see the helper.
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Back to the right side so that you can see better.
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Always back as quickly as possible.
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15.
The height of the vehicle's center of gravity:
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should only be a concern when driving in high winds.
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should only be a concern when loading a vehicle.
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should only be a concern when driving a vehicle.
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is very important for safe handling.
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16.
Why should you back toward the driver's side?
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You can see better.
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Backing toward the right side is dangerous.
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You can watch the rear of your vehicle by looking out the side window.
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All of the above.
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17.
When a vehicle is hydroplaning:
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the spray from large trucks reduces visibility.
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your brakes won't work.
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the tires lose their contact with the road.
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the clutch is stuck.
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18.
To maintain alertness while driving, you should:
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rely on caffeine.
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keep the cab warm.
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take periodic breaks – about every 250 miles.
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protect yourself from glare with sunglasses.
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19.
If your vehicle is hydroplaning, you should:
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accelerate to get through the water as quickly as possible.
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use the brakes to slow down.
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release the accelerator and push in the clutch.
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None of the above.
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20.
Interstate commerce means trade, traffic, or transportation in the U.S. that is between:
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Two places in the state as part of trade, traffic, or transportation originating or terminating outside the state or U.S.
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Two places in the state through another state or a place outside of the U.S.
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A place in a state and a place outside such state or outside the U.S.
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All of the above.
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