COMBINATION TEST NEW YORK - PRACTICE TEST
11.
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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All of the above.
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12.
If a worker is close to the roadway in a work zone, you should:
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pull off the road and stop.
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drive at the posted speed limit.
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reduce your speed below the posted speed limit.
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drive on the shoulder.
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13.
When backing a truck you should:
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always rely on your mirrors.
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get out and walk around the vehicle before you begin to back.
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look straight ahead.
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back and turn toward the right side.
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14.
If the ABS is not working:
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you still have normal brake functions.
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the vehicle will have no brakes.
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the vehicle will have weak brakes.
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None of the above.
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15.
Glad hands are used to:
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the air compressor is connected to the engine.
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connect the brakes from the truck or tractor to the trailer.
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connect the electrical lines from the truck or tractor to the trailer.
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connect the service and emergency air lines from the truck or tractor to the trailer.
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16.
Whenever you back up with a trailer, position your vehicle so you can back in a straight line. If you must back on a curved path, back toward:
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the right side.
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the driver's side.
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Neither side (do not back).
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Either side.
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17.
Air brakes use ________ to make the brakes work.
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compressed gases
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compressed oil
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compressed air
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compressed gas cylinders
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18.
Never
drive with landing gear only part way up. Why?
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It may be harder to use.
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It makes it harder to brake.
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It may catch on railroad tracks.
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It must be exactly 5 feet off the ground.
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19.
When you make a quick lane change, the crack-the-whip effect can turn the trailer over. The crack-the-whip effect is caused by:
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strong wind.
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worn tire tread.
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rearward amplification.
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the rear trailer of a triple.
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20.
The use of brakes on a steep downgrade is:
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dangerous, and should be avoided at all costs.
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much more effective than the engine braking effect.
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a supplement to the braking effect of the engine.
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the main braking factor.
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