CDL GENERAL KNOWLEDGE TEST (TN) - PRACTICE TEST
31.
If you hear a loud loud "bang" and the steering feels "heavy", you should:
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brake hard and pull off the road.
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hold the steering wheel firmly and stay off the brake.
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pump the brakes until the vehicle has slowed down.
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check your rearview mirrors to see if you have a flat tire.
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32.
To prevent drowsiness you should:
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eat frequently.
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keep the cab warm.
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drive at night.
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drive with a passenger.
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33.
Multi-speed rear axles and auxiliary transmissions are used:
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to provide extra gears.
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reduce exhaust emissions.
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to make it easier to change gears.
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to reduce brake wear.
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34.
There are two ways of knowing when to shift up:
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Automatic transmissions and shift indicator light.
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Engine speed and road speed
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Weather conditions and road speed.
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Engine speed and weather conditions.
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35.
If you are involved in a collision and not seriously hurt, you should:
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notify the authorities.
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do your best to care for the injured.
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protect the area.
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All of the above.
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36.
When driving with cargo, you should re-check the cargo and securing devices as often as necessary to keep the load secure, and inspect again:
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every day.
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every 30 minutes or 50 miles.
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every 3 hours or 150 miles.
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every 6 hours or 300 miles.
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37.
When using the controlled braking method, you:
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repeatedly tap the brakes as fast as you can.
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apply the brakes as hard as you can without locking the wheels.
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lightly apply braking pressure.
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apply the brakes all the way and release brakes when wheels lock up.
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38.
Which of the following statements about backing heavy vehicles is true?
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You should avoid backing whenever you can.
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The helper should stand where you cannot see the helper.
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Back to the right side so that you can see better.
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Always back as quickly as possible.
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39.
The Johnson bar is a valve that:
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reduces the braking pressure to a safe level.
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is installed in the first tank the air compressor pumps air to.
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keeps air from going out if the air compressor develops a leak.
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works the trailer brakes.
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40.
When you're going uphill and a heavy load is slowing you down, you should:
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pass another slow vehicle to gain speed.
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shift into a lower gear.
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drive on the shoulder if you can.
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stay in the left lane if you can.
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