CDL GENERAL KNOWLEDGE TEST (LOUISIANA) - PRACTICE TEST
11.
During the vehicle inspection, when checking the tires you should:
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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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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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12.
Which of the following can cause vehicle fires?
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Improper fueling
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Improperly sealed cargo
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Short circuits and loose connections
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All of the above.
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13.
When driving at night, you should use ________ when you can.
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emergency flashers
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indicator lights
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high beams
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low beams
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14.
If driving a heavy vehicle, you should:
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stay in the right lane.
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avoid braking.
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stay in the left lane.
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try to pass other vehicles going uphill.
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15.
What is a common cause of tire fires?
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Loose lug nuts
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Cold tires
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Duals that touch
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All of the above.
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16.
When shifting down, after releasing the clutch for the first time you should:
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shift to the lower gear.
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press the accelerator.
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brake gently.
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push in the clutch again.
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17.
When stopping at the scene of an accident, you should NOT:
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set out reflective triangles.
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notify authorities.
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put on your 4-way emergency flashers.
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report any qualified person who is at the accident and helping the injured.
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18.
The minimum tire tread depth for front tires is:
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4/16 inch
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8/32 inch
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2/32 inch
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4/32 inch
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19.
What is a hazard?
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The most common cause of hydroplaning.
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Any road condition or other road user that is a possible danger.
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Something you must stop for.
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The driver is uncertain about taking the off ramp.
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20.
Axle weight is:
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the weight of one axle.
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the loaded weight of a single vehicle.
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the maximum safe weight a tire can carry at a specified pressure.
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the weight any axle or combination of axles transmits to the ground.
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