ILLINOIS CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
With a dual air brake system:
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each system has its own air tanks, hoses and lines.
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each system shares air tanks.
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one system is the main braking system while the other is a back-up system.
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each system shares the same lines and hoses.
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32.
When crossing railroad tracks, you should:
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shift gears while crossing the tracks.
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put the transmission in Neutral.
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not stop.
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try to pass slower vehicles.
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33.
A cardboard box on the road:
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should always be driven over to avoid sudden direction changes.
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may contain some solid material capable of causing damage.
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will never damage vehicle parts if driven over.
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is likely to be empty and should not be considered a hazard.
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34.
If you perform the skills test in a vehicle that is not equipped with air brakes:
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you will be required to take the tank vehicle test.
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you will be required to operate a CMV without hydraulic brakes.
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you will be required to operate vehicles with air brakes.
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you will be restricted from operating vehicles with air brakes.
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35.
If you are being tailgated, you should:
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flash your brake lights.
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speed up.
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increase your following distance.
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move to the left lane.
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36.
Before transporting sealed loads, you should check that:
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the seal numbers match the placard numbers.
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the load is properly secured.
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the load can be inspected.
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All of the above.
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37.
Which of these is true about the radiator shutters and the winterfront?
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You should remove ice from the radiator shutters.
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If the winterfront is left open, the engine may overheat.
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You should make sure the winterfront is closed tightly.
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All of the above.
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38.
Retarders:
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can be noisy and may not be permitted everywhere.
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help to increase brake pressure.
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improve traction.
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increase fuel efficiency.
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39.
Driving in very hot weather:
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should never be done.
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can increase tire pressure.
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can decrease oil pressure.
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can make it difficult to stay in your lane.
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40.
When possible, you should park:
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on the shoulder.
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so you will be able to pull forward when you leave.
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so you will have to back up when you leave.
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on the roadway.
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