DOUBLES TRIPLES TEST AR - CDL PRACTICE TEST
11.
In a combination vehicle, ________ is most likely to turn over.
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the trailer behind the tractor
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the last trailer
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the tractor
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All of the above.
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12.
Over-length loads:
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may require special equipment such as "wide load" or flags.
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require special driving care.
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require special transit permits.
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All of the above.
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13.
ABS:
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helps you avoid skids caused by over braking.
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improves your visibility at night.
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helps you stop faster.
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may cause your wheels to lock when you break hard.
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14.
Large vehicles take longer to stop when they are:
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fully loaded.
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carrying hazardous materials.
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empty.
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heavily loaded but not fully loaded.
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15.
If you're feeling tired while driving you should:
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increase your speed to get to your destination quicker.
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eat something.
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drink coffee.
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stop driving and get some rest.
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16.
When should you be particularly careful about high winds?
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When driving at night
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When emerging from a tunnel
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When driving in winter
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When going downhill
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17.
With an engine fire, you should:
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not shoot foam from the vehicle’s underside.
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turn the engine off as soon as possible.
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open the hood as soon as possible.
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All of the above.
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18.
The center of gravity of a trailer should be:
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as high as possible.
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as low as possible.
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at the rear of the trailer.
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at the front of the trailer.
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19.
The heavier the vehicle:
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the higher the center of gravity will be.
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the more work the brakes must do to stop it.
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the less work the brakes must do to stop it.
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None of the above.
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20.
When more cargo is piled up in a truck, the center of gravity moves:
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to the left side of the truck.
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closer to the ground.
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to the right side of the truck.
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higher up from the road.
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