AIR BRAKES CDL PRACTICE TEST - MAINE
6.
Axle weight is:
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the weight transmitted to the ground by one axle or one set of axles.
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the maximum safe weight your tires can carry at a specified pressure.
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the weight of all the axles added together.
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7.
To check the slack adjusters:
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check the air hoses connected to the brake chambers to make sure they aren't cut or worn.
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Park on level ground and chock the wheels, release the parking brakes and pull hard on each slack adjuster. The slack adjuster shouldn't move more than one inch.
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park downhill and see if the vehicle rolls.
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8.
The parking brake:
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should be used when driving in bad weather.
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should be used when you need to apply the brakes firmly.
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should be used whenever you park.
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9.
Which of the following is NOT a warning sign of fatigue?
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Heavy eyelids
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Frequent blinking
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Driving at the speed of the traffic
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10.
When the wheels of a trailer lock up:
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the vehicle will gradually come to a complete stop.
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the trailer will tend to swing around.
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ABS will increase stopping power.
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