CDL PRACTICE TEST - GENERAL KNOWLEDGE (MASSACHUSETTS)
31.
If you double your speed, your braking distance will be:
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4 times longer.
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3 times longer.
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2 times longer.
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8 times longer.
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32.
There are two ways of knowing when to shift up:
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Engine speed and road speed
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Engine speed and weather conditions.
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Weather conditions and road speed.
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Automatic transmissions and shift indicator light.
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33.
Engine oil pressure should come up to normal within _________ after the engine is started.
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seconds
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two minutes
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ten minutes
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five minutes
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34.
You should reject a vehicle until which of the following gets rectified?
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Faulty windshield wipers
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Faulty flashers
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Faulty headlights
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All of the above.
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35.
Which of the following is NOT true?
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ABS won't compensate for poor brake maintenance.
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ABS won't compensate for bad brakes.
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ABS will change the way you normally brake.
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ABS only comes into play when a wheel would have locked up because of over braking.
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36.
When transporting a load, the cargo should be inspected:
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by your supervisor.
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after every break you take during your trip.
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by a helper.
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only after driving.
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37.
Retarders:
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reduce the need for using your brakes.
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reduce brake wear.
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help slow a vehicle.
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All of the above.
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38.
Transporting livestock requires special attention. Why?
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Because a rollover is more likely.
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Because livestock can lean on curves.
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Because livestock can move around in a trailer.
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All of the above.
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39.
Which of the following should you check for looseness, damage, sticking or improper settings?
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Brake controls
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Transmission controls
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Steering wheel
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All of the above.
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40.
The height of a vehicle's center of gravity is important for safe handling. Why?
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A high center of gravity means you are less likely to tip over.
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Trucks with a high center of gravity have better traction.
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Trucks with a high center of gravity can roll over at the posted speed limit for a curve.
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All of the above.
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