CDL GENERAL KNOWLEDGE TEST (ID) - PRACTICE TEST
11.
Which of the the following statements about fatigued or drowsy driving is true?
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Fatigued drivers may be slower in making critical decisions.
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Fatigued drivers are usually more alert because they are aware risk of being involved in an accident is higher.
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Most people are less alert between 12 pm and 3 pm.
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12.
Which of the following statements about engine belts and driving in hot weather is true?
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You can check v-belt tightness by pressing on the belts.
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Loose belts will not turn the water pump and/or fan on properly.
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All of the above.
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13.
Broken suspension parts can be very dangerous. When inspecting your vehicle for suspension system defects, look for:
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Broken leaves in a multi-leaf spring.
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Spring hangers that allow movement of axle from proper position.
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All of the above.
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14.
When inspecting the cargo, make sure it is:
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piled up.
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not overloaded.
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secured properly for the first 50 miles after beginning a trip.
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15.
How many drinks per hour can be handled by the liver?
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About 2 drinks per hour.
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About 3 drinks per hour.
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About 1 drink per hour.
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16.
When a vehicle is hydroplaning:
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the spray from large trucks reduces visibility.
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the tires lose their contact with the road.
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the clutch is stuck.
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17.
Regrooved tires:
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cannot be used on the front wheels of buses.
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cannot be used on the rear wheels of buses.
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cannot be used on the wheels of buses.
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18.
Federal, State, and local regulations concerning commercial vehicle weight, securing cargo, and covering loads vary widely. You should obey:
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Local regulations
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Federal regulations
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All of the above.
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19.
What should you do if your brakes fail while driving downhill, and no escape ramp is available?
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use your parking brake to stop.
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wait until you can find an escape ramp.
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take the least hazardous escape route you can - and make the move as soon as possible.
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20.
You should you NOT sound your horn:
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to alert another driver to a potential problem.
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to alert another driver to your presence.
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to tell other drivers that they made a mistake.
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