CDL PASSENGER TEST DISTRICT OF COLUMBIA
11.
Escape ramps:
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can only be used by trucks or passenger vehicles.
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have been built to stop runaway vehicles on steep downgrades.
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are used to safely leave the highway.
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All of the above.
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12.
To prevent fatigue during long trips you should:
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take a cold shower.
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rely on caffeine.
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take frequent breaks.
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All of the above.
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13.
Foundation brakes are used:
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only with the rear wheels.
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only with the front wheels.
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only with the right wheels.
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at each wheel.
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14.
When driving a 50 foot vehicle at 50 mph, how much space should you keep in front of you?
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3 seconds
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6 seconds
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5 seconds
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4 seconds
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15.
Which of the following road surfaces freezes first?
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Open roads
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Parkings
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Underpasses
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Bridges
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16.
What should you do when confronted by an aggressive driver?
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Ignore gestures
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Hold-your-own in your travel lane
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Challenge them by speeding up
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Make eye contact
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17.
Antifreeze:
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helps the engine only when the temperature is below freezing.
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helps the engine only under hot conditions.
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doesn't help the engine in any way.
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helps the engine under hot conditions as well as cold conditions.
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18.
When confronted by an aggressive driver you should not:
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make eye contact.
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put aside your pride.
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ignore gestures.
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try to get out of their way.
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19.
If the drive wheels begin to spin, you should:
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wait 4-5 seconds before applying the accelerator.
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apply your brakes all the way.
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take your foot off the accelerator.
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accelerate smoothly and change gears as necessary.
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20.
If you experience a tire failure, do NOT:
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when the vehicle has slowed down, brake very gently, pull off the road, and stop.
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apply the brakes as hard as you can.
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hold the steering wheel firmly.
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stay off the brake (unless you're about to run into something).
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