NEBRASKA CDL PRACTICE TEST - GENERAL KNOWLEDGE
11.
Front brake limiting valves were used to:
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reduce exhaust emissions.
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reduce the chance of the front wheels skidding on slippery surfaces.
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reduce your speed so further braking or shifting is not required.
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prevent overheating of the front tires.
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12.
Which of the following is true about high beams?
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High beams should be used when it is safe and legal to do so.
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You should use them when you are not within 50 feet of an approaching vehicle.
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They should be used only if low beams suddenly stop working.
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Using them seriously cuts down on your ability to see ahead.
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13.
Glad hands are:
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warning devices.
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coupling devices.
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electronic devices.
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securement devices.
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14.
When starting your vehicle, oil pressure should come up to normal:
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within seconds.
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in about two minutes.
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in about a minute.
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within 5 minutes of driving.
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15.
When you have to back, you should always try to back toward the driver's side because:
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backing toward the left side is more dangerous.
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you can see better and watch the rear of your vehicle out the side window.
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it feels more natural.
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None of the above.
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16.
If a vehicle is equipped with ABS, when you start the engine:
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the wheels will lock up.
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the spring brakes will come on.
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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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17.
Which of the following statements about driving in cold weather is true?
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Brakes will never fade or fail from excessive heat caused by using
them too much.
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An engine cannot overheat when the weather is very cold.
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You should use windshield washer antifreeze.
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Exhaust system leaks are less dangerous in cold weather.
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18.
An empty truck requires _________ a full truck.
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the same stopping distance as
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less stopping distance than
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a greater stopping distance than
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This is irrelevant.
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19.
During the vehicle inspection, when checking the tires you should:
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ensure that valve caps are missing.
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check for the minimum tread depth (4/32 on all tires).
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ensure the middle of the tires is more worn than the outside.
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ensure that the tread is evenly worn.
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20.
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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slow down to a crawl, inch your vehicle forward and attempt to nudge the box out of your way.
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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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None of the above.
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