CDL PRACTICE TEST - GENERAL KNOWLEDGE (ILLINOIS)
31.
To determine a safe speed for a downgrade, you should consider:
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Oncoming traffic.
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Trip origin and destination city.
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The total weight of the vehicle and cargo.
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All of the above.
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32.
You should use your horn to:
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to let others know you are an experienced driver.
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to let others know you are there.
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to let others know you are about to break.
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to let others know you are about to increase your speed.
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33.
Before entering a curve, drivers should:
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drive on the shoulder.
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downshift to the right gear.
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speed up.
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put the transmission in Neutral.
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34.
Empty trucks:
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have less traction.
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are higher than loaded trucks.
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require greater stopping distances.
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All of the above.
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35.
For fire safety, the correct list of items you should check during your pre-trip inspection is:
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cargo, fuel, steering wheel, electrical system, fire extinguisher.
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fuel and fire extinguisher.
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tires, cargo, fuel, electrical and exhaust systems, fire extinguisher.
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cargo, fuel, electrical and exhaust systems.
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36.
When is it safe to remove the radiator cap?
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It is always safe.
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Whenever coolant has to be added to the system.
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As soon as you've stopped, as long as the engine is not hot.
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When you can touch the radiator cap with your bare hand.
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37.
If you are involved in a collision and not seriously hurt, you should:
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protect the area.
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notify the authorities.
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do your best to care for the injured.
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All of the above.
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38.
How can you tell if your vehicle is equipped with ABS?
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Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
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Trailers will have yellow ABS malfunction lamps on the left side.
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Look for yellow ABS malfunction lamps on the instrument panel.
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All of the above.
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39.
If you see a cardboard box ahead in your lane, you should:
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avoid it without making sudden, unsafe moves.
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stop, get out of your vehicle, and pull the box off of the road before driving on.
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slow down to a crawl, inch your vehicle forward and attempt to nudge the box out of your way.
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None of the above.
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40.
When going down a hill, you should downshift:
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before you start going downhill.
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as you go downhill.
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at the bottom of the hill.
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after starting down a hill.
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