NV CDL AIR BRAKES PRACTICE TEST
6.
A broken exhaust system:
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poses no threat to the driver.
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can let poisonous carbon monoxide to leak into the cab.
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can improve fuel efficiency.
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does not cause problems.
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7.
Why should you check your mirrors regularly to know where other vehicles are around you?
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To flash the brake lights if you are being tailgated.
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To move out of their way if they want to get past.
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To know whether you can make a quick lane change in an emergency.
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To better assess your own speed.
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8.
If a vehicle is equipped with ABS, when you start the engine:
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the spring brakes will come on.
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the wheels will lock up.
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the ABS indicator light on the dash should come on and then turn off.
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the trailer emergency brakes will come on.
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9.
You are coming down a long, steep downgrade. Which of the following is a sign that your brakes may have started to fade?
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You have to apply your brakes harder and harder to get the same stopping power.
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The brake pedal feels spongy or goes to the floor.
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You hear a loud "bang".
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The steering feels heavy.
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10.
A dual air brake system:
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has a single air brake system, which uses two separate sets of brake controls.
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has two separate air brake systems, which use two separate sets of brake controls.
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has a single air brake system, which uses a single set of brake controls.
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has two separate air brake systems, which use a single set of brake controls.
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