HI CDL GENERAL KNOWLEDGE TEST - CDL PRACTICE TEST
11.
In your mirror, you see a car approaching from the rear. The next time you check your mirror, you don't see the car. If you wish to change lanes, you should:
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wait until you are sure the car isn't in your blind spot.
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ease into the other lane slowly so the other car can get out of the way.
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assume the car left the roadway and change lanes as normal.
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12.
To avoid rollbacks when you start, you should:
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release the parking brake only when you have applied enough engine power.
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if you have manual transmission, partly engage the clutch before you take your right foot off the brake.
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All of the above.
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13.
You should use your four-way emergency flashers:
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when parked at the side of the road.
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while crossing railroad tracks.
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when driving at night.
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14.
When using a fire extinguisher, you should stay:
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as close to the fire as possible, without getting burnt.
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as far away from the fire as possible.
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at least 10 feet away from the fire.
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15.
Which of the following vehicles is most likely to turn over?
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3 axle tractor semitrailer
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Triple trailer
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65 ft. conventional double
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16.
Front-end header boards:
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block the forward movement of your cargo.
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protect you from your cargo in case of a crash.
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All of the above.
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17.
What is a common cause of tire fires?
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Duals that touch
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Cold tires
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All of the above.
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18.
If a worker is close to the roadway in a work zone, you should:
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reduce your speed below the posted speed limit.
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pull off the road and stop.
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drive at the posted speed limit.
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19.
HAZMAT placards are:
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warning signs
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speed signs
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regulatory signs
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20.
When crossing railroad tracks, you should:
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not stop.
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try to pass slower vehicles.
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shift gears while crossing the tracks.
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