MICHIGAN CDL DOUBLES TRIPLES PRACTICE TEST
11.
When you double your speed, the braking distance is:
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4 times longer.
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the same.
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3 times longer.
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12.
Warnings on low bridges or underpasses:
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are often posted, but sometimes they are not.
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must be posted.
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are always posted.
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13.
Your mirrors should be adjusted so that:
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a part of the vehicle is visible in the mirror.
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no part of the vehicle is visible in the mirror.
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the rear of the vehicle is visible in the mirror.
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14.
Do NOT use the parking brakes:
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when you leave your vehicle.
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if the brakes are very hot.
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when you park for less than two hours.
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15.
Longer combination vehicles have the tendency to swing wide on turns. This is called:
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jackknifing.
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off-tracking.
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hydroplaning.
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16.
How does ABS help you?
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ABS makes stab braking more effective.
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ABS helps you avoid wheel lock up and maintain control when you brake hard on slippery surfaces.
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ABS replaces your normal brakes and helps you to stop faster.
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17.
To know how much space you should keep in front of you when driving at speeds below 40 mph, one good rule says you need at least ______ for each ______ of vehicle length.
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1 second; 10 feet
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1 second; 5 feet
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2 seconds; 10 feet
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18.
If you unlock the pintle hook with the dolly still under the rear trailer:
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the brakes could be damaged by the combined forces of the springs and the air pressure.
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your vehicle might roll away.
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the dolly tow bar may fly up.
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19.
When the spring brakes are on, you should:
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pump the brakes.
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not push the brake pedal down.
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press the accelerator.
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20.
If your ABS fails:
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you will still have normal brake functions.
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the first step is to get the vehicle off the road and stop.
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your tires might grab unexpectedly and you could lose control.
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