ID CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
11.
Tests have shown that trucks with a high center of gravity are more likely to tip over, therefore you should:
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distribute the cargo as low as possible.
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put the lightest parts of the cargo under the heaviest parts.
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All of the above.
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12.
Fatigue:
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does not impair vision and judgment.
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increases the chance of an accident.
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can easily be prevented by drinking coffee.
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13.
Placards are used to:
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indicate the maximum speed that the vehicle can reach on a level road.
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identify the hazard class of the cargo.
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indicate the maximum speed that the vehicle can travel.
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14.
If you must stop on a one-way or divided highway, place your warning devices:
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10 feet, 50 feet, and 150 feet toward the approaching traffic.
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100 feet, 200 feet, and 300 feet toward the approaching traffic.
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10 feet, 100 feet, and 200 feet toward the approaching traffic.
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15.
If the drive wheels start to skid:
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push in the clutch to let them turn freely.
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use the brakes to slow down.
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accelerate slightly to regain control.
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16.
Tar in the road pavement often rises to the surface in very hot weather. Spots where the tar "bleeds":
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have good traction.
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are very slippery.
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will help you get better gas mileage.
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17.
Drivers can hold a Commercial Driver’s License from how many different States?
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One
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Four
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Three
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18.
In a dual air brake system, if one air system is very low on pressure:
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either the front or rear brakes will not be operating fully.
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you should drive and brake as you always have.
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you should pump the brakes to restore pressure.
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19.
If a worker is close to the roadway in a work zone, you should:
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pull off the road and stop.
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drive at the posted speed limit.
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reduce your speed below the posted speed limit.
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20.
Which of the following statements about backing is NOT true?
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Backing toward the left side is very dangerous because you can't see as well.
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You should get out of the vehicle and check your path if you are unsure.
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You should use the lowest reverse gear.
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