MONTANA CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
Which of the following statements about driving in slippery conditions is NOT true?
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As the temperature rises to the point where ice begins to melt, the road becomes less slippery.
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Wet ice is more slippery than ice that is not wet.
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The roads are most slippery in the first half hour after it starts to rain.
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When the temperature drops, bridges will freeze before the road will.
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22.
Too much weight on the steering axle can cause:
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hard steering and damage to the steering axle and tires.
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better handling.
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poor traction.
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None of the above.
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23.
How do you find out how many seconds of following distance you have?
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Wait until the vehicle ahead of you passes a pavement marking or some other clear landmark, then use the stopwatch on your mobile phone to see how long it takes you to reach the same spot.
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Wait until the vehicle ahead of you passes a pavement marking, shadow or landmark. Then count off the seconds until you reach the same spot.
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Pass a stationary object and count how many seconds it takes the vehicle ahead of you to reach the same spot.
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None of the above.
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24.
When driving on wet roads, you should reduce your speed by about:
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one-fifth.
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one-third.
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one-quarter.
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one-half.
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25.
What factors can cause brakes to fade?
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Gravel and tar.
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Dirt roads and in unpaved yards.
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Excessive heat and brakes out of adjustment.
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Slippery surfaces and shaded areas.
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26.
Which of the following statements about brake shoes is true?
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Brake shoes should be thinner than ¼ inch.
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Brake drums must have cracks longer than half the width of the friction area.
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brakes can fade or fail from excessive heat caused by relying too much on the engine braking effect.
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None of the above.
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27.
To prevent rollover, you should:
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place the cargo near the rear of the trailer.
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place the cargo near the front of the trailer.
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put the lightest parts of the cargo under the heaviest parts.
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keep the cargo as close to the ground as possible.
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28.
When driving at night, you should dim your lights within ______ of an oncoming vehicle.
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250 feet.
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500 feet.
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300 feet.
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400 feet.
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29.
What three things add up to total stopping distance?
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Reaction distance + braking distance
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Reaction distance + viewing distance + braking distance
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Braking distance + stopping distance
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Perception distance, reaction distance and braking distance
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30.
You are more at risk of being fatigued:
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when stopping periodically during long trips.
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when driving alone.
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when driving during the day.
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after getting more than 8 hours of sleep.
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