CDL PRACTICE TEST (IL) - GENERAL KNOWLEDGE TEST
31.
A vehicle inspection should be done in the same order each time:
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so you are less likely to forget something.
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because it's much quicker.
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because the report must be written in that order.
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because it is required by law.
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32.
Whenever you back up with a trailer, position your vehicle so you can back in a straight line. If you must back on a curved path, back toward:
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the driver's side.
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Neither side (do not back).
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the right side.
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Either side.
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33.
How do you test hydraulic brakes for leaks?
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Pull forward against parking brake to make sure the hydraulic brakes holds.
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Pump the brake pedal ten times and see if it holds.
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Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
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None of the above.
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34.
When driving in heavy rain, your brakes will get wet. Water in the brakes can cause:
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wheel lockups.
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lack of braking power.
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the brakes to apply unevenly.
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All of the above.
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35.
If you experience a tire failure, do NOT:
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stay off the brake (unless you're about to run into something).
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hold the steering wheel firmly.
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when the vehicle has slowed down, brake very gently, pull off the road, and stop.
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apply the brakes as hard as you can.
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36.
When approaching a vehicle as part of a pre-trip inspection, the driver should look under the vehicle for all of the following except:
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Grease
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Windshield wiper fluid
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Coolant
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Fresh oil
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37.
What is an advantage of going right instead of left around an obstacle?
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No one is likely to be passing you on the left, but someone may be driving on the shoulder.
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There is no real advantage.
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If an oncoming driver has drifted into your lane, their natural response will be to brake suddenly.
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If you are blocked on both sides, a move to the right won't force anyone into an opposing traffic lane and a possible head-on accident.
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38.
To correct a drive-wheel braking skid, you should stop braking and:
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countersteer.
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pull of the road.
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keep your foot off the clutch.
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accelerate slightly.
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39.
Which of the following statements about engine overheating is true?
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Low speeds create more heat for the engine.
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You should never remove the radiator cap or any part of the pressurized system until the system has cooled.
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You should never shut off an overheated engine until it cools.
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None of the above.
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40.
Foundation brakes are used:
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at each wheel.
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only with the rear wheels.
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only with the right wheels.
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only with the front wheels.
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