NEW HAMPSHIRE CDL AIR BRAKES PRACTICE TEST
16.
What is a dual air brake system?
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2 separate air brake systems: one system for daytime driving, the other system for nighttime driving.
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2 separate air brake systems: one system operates the left brakes, the other system operates the right brakes.
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2 separate air brake systems: one system operates the front brakes, the other system operates the rear brakes.
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None of the above.
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17.
Tar in the road pavement rising to the road surface in very hot weather:
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does not affect the road surface or driving conditions.
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might get in your engine.
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causes the road to become very slippery.
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is very sticky and will slow down your vehicle.
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18.
Dual tires:
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are dangerous.
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should come in contact with each other whenever possible.
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should always come in contact with each other.
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should not come in contact with each other.
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19.
When you pull hard on a slack adjuster and it moves more than about _____ where the push rod attaches to it, the slack adjuster probably needs adjustment.
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1 inch
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1/2 inch
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1/4 inch
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2 inches
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20.
Which of the following is a reason why air tanks must be drained?
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Your battery fluid may drain out.
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Your transmission fluid may drain out.
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The governor may stop the compressor from pumping air.
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Your brakes may fail due to the water freezing.
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