IL CDL PRACTICE TEST - GENERAL KNOWLEDGE
31.
You are driving a heavy vehicle with a manual transmission, and you have to stop on the shoulder while driving on an uphill grade. When putting your vehicle back in motion up the grade, you should:
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shift down to a speed that you can control without using the brakes.
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keep the clutch slipping while slowly accelerating.
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partly engage the clutch before you take your right foot off the brake.
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use the parking brake to hold the vehicle until the clutch engages.
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32.
When a tire suddenly blows out while you are driving, what should you do first?
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Use controlled or stab braking.
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Hold the steering wheel firmly and stay off the brakes.
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Brake lightly and hold the steering wheel firmly.
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Use the parking brake.
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33.
As you approach a turn, do not coast unsafely. Unsafe coasting occurs when:
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you downshift for less than the length of your vehicle.
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your vehicle is out of gear for more than the length of your vehicle.
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you downshift before making a turn.
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you don't use turn signals before making a turn.
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34.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
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for one day
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for one stop
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several times
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for 3 days
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35.
As your blood alcohol concentration (BAC) builds up, which of the following is affected?
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Coordination
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Muscle control
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Vision
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All of the above.
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36.
The Gross Combination Weight (GCW) is:
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the weight of the vehicle and its trailer(s).
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the weight of the vehicle, trailer, and cargo.
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the weight of the trailer and cargo.
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the total weight of a single vehicle including its load.
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37.
If you are driving toward a traffic light that's been green for a long time, you should:
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brake as quickly as possible.
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increase your speed to get through the intersection before the traffic light changes to red.
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maintain your current speed.
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start slowing down and be ready to stop.
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38.
If you find anything unsafe during the pre-trip inspection, you are required to:
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drive cautiously until it is fixed.
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inform your motor carrier after the trip.
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write it in your inspection report.
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get it fixed before driving.
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39.
Rough acceleration can cause:
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damage electrical and brake lines.
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tire damage.
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mechanical damage.
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All of the above.
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40.
What is the most important reason for doing a vehicle inspection?
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Liability insurance.
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To avoid fines.
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Safety for yourself and for other road users.
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It's required by law.
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