MO CDL COMBINATION PRACTICE TEST
11.
If are being followed closely, you should:
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change lanes quickly.
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increase your following distance.
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decrease your following distance.
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12.
You have uncoupled a trailer and want to inspect the landing gear. The tractor should be positioned:
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with the tractor frame under the trailer.
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completely clear of the trailer.
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with the tractor frame above the trailer.
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13.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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5, 25 and 50 feet
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5, 50 and 500 feet
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10, 100 and 200 feet
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14.
When using a fire extinguisher, you should stay:
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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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as close to the fire as possible, without getting burnt.
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15.
ABS:
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allows you to brake harder.
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is an addition to your normal brakes.
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should only be used on dry roads.
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16.
Having ABS on only the trailer:
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is very dangerous.
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makes the trailer more likely to swing out.
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still gives you more control over your vehicle during braking.
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17.
If an aggressive driver is involved in an accident down the road, you should:
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stop a safe distance from the accident scene, wait for the police and report the behavior you witnessed.
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confront the aggressive driver.
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try to get their vehicle to the side of the road.
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18.
If your truck has automatic transmission, you should downshift:
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when going down grades.
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after entering a curve.
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whenever road conditions allow.
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19.
The best way to recognize that your trailer has started to skid is:
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by using retarders.
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by hearing squeaking noises from the wheels.
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by seeing it in your mirrors.
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20.
Which of the following makes a rollover more likely?
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Keeping the load centered on your rig
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Keeping the cargo as close to the ground as possible
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Driving quickly around turns
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