COMBINATION TEST WYOMING - PRACTICE TEST
11.
The proper following distance for a 60-foot vehicle traveling at 50 mph is:
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8 seconds
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4 seconds
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6 seconds
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7 seconds
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12.
Having ABS on only the trailer:
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is very dangerous.
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still gives you more control over your vehicle during braking.
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makes the trailer more likely to swing out.
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makes the trailer more likely to roll over.
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13.
If your vehicle is equipped with air brakes, loss of air pressure in the
emergency line causes:
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the trailer spring brakes to come on.
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the trailer emergency brakes to come on.
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the speed of your vehicle to increase.
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All of the above.
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14.
If your vehicle catches fire, you should pull over:
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near other vehicles.
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near trees.
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in an open area.
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at a service station.
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15.
When backing a truck you should:
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back and turn toward the right side.
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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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always rely on your mirrors.
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16.
If your cargo only fills one-third of the length of your trailer, make sure your cargo is:
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to one side and as close to the ground as possible.
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piled up high with heavy cargo on top.
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loaded so there is a high center of gravity.
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centered and spread out as much as possible.
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17.
When driving at night you should:
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use your high beams when it is safe and legal to do so.
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keep the interior light on.
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always use low beams.
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All of the above.
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18.
The trailer hand valve should be used only:
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in driving to prevent skids.
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only in combination with the foot brake.
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to test the trailer brakes.
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when the trailer is fully loaded.
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19.
If the drive wheels begin to spin when accelerating, you should:
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brake gently.
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take your foot off the accelerator.
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continue to accelerate.
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set the parking brake.
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20.
If you feel drowsy while driving, what should you do?
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Turn on the radio to keep you awake.
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Get an energy drink.
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Eat heavy foods.
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Pull off the road and get some sleep.
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