UT CDL DOUBLES TRIPLES PRACTICE TEST
11.
Alcohol:
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impairs depth perception.
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improves reaction time.
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does not affect judgement.
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improves muscle coordination.
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12.
When should you turn the retarder off?
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when your vehicle has a high center of gravity.
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when the road is slippery.
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when the cargo is heavy.
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when the cargo is prone to shifting.
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13.
If a tire fails while you are driving, you should:
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stop on the roadway if possible.
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brake as hard as possible.
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call your supervisor for instructions.
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stay off the brake
until your vehicle has slowed down.
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14.
When driving on slippery roads, you should NOT:
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use the engine brake.
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watch far enough ahead to keep a steady speed.
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go slowly.
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try to anticipate stops early.
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15.
Air pressure should build up in a single air system, within about:
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3 minutes.
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15 minutes.
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1 minute.
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10 minutes.
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16.
If you doubt you have enough space to pass under a bridge, you should:
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go slowly.
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drive faster.
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turn on your headlights.
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turn on your 4-way emergency flashers.
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17.
It may not be safe to operate at legal maximum weights:
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during bad weather or in mountains.
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on two-way streets.
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in hot weather.
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on highways.
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18.
After starting the engine, the ABS light stays on. This means:
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the ABS is working properly.
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the ABS is not working properly.
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the ABS oil level is not adequate.
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the ABS is in Neutral.
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19.
Strong winds can make it difficult to stay in your lane especially when driving:
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flatbed trailers.
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lighter vehicles.
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heavier vehicles.
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vehicles with ABS.
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20.
When approaching a double railroad track, you should:
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rely upon the presence of warning signals.
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expect to hear a train when it's approaching.
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remember that trains may be more frequent.
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remember that a train on one track may hide a train on the other track.
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