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1.
A driver distraction is anything that takes your attention away from driving, such as:
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adjusting the radio.
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pedestrians.
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billboards.
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All of the above.
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2.
In air-operated disc brakes, the pressure of the ______ on the ______ turns a "power screw".
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brake chamber; slack adjuster
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brake camshaft; tie rod
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slack adjuster; tie rod
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slack adjuster; cam roller
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3.
Air brakes:
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can improve fuel efficiency.
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should be used only when driving on wet roads.
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are an effective way to stop large and heavy vehicles.
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are prohibited on larger vehicles.
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4.
Too little weight on the driving axles can cause:
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longer stopping distances.
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mechanical damage.
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poor traction.
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poor visibility.
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5.
Under a pressurized system, the radiator cap:
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should be removed when the coolant is hot.
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should never be removed until the system has cooled.
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should always be cool.
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should never be hot.
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6.
When the spring brakes are on, you should:
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not push the brake pedal down.
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pump the brakes.
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exceed the posted speed limit.
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press the accelerator.
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7.
The use of air brakes on a steep downgrade is only a supplement to:
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the use of the "controlled braking" method.
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the use of the parking brakes.
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the use of the spring brakes.
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the braking effect of the engine.
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8.
If your trucks has a high center of gravity, which of the following is true for curves?
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Reduce your speed to a crawl.
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You should travel at the posted speed limit.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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None of the above.
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9.
To avoid becoming a distracted driver you should:
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eat and drink while you drive.
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not turn off all communication devices.
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adjust all vehicle controls and mirrors while driving.
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not engage in complex conversations with others.
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10.
The most common foundation brakes found on vehicles with air brakes are the:
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disc brakes.
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parking brakes.
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S-cam brakes.
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wedge brakes.
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