AIR BRAKES CDL PRACTICE TEST - MINNESOTA
16.
ABS malfunction lamps are located:
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on the driver'door.
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on the instrument panel.
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under the hood.
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None of the above.
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17.
How should you apply the brakes when going down a steep downgrade?
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You should not brake, and only use engine braking to prevent brake failure.
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Apply the brakes as hard as you can without locking the wheels.
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Apply the brakes when you reach the bottom of the downgrade.
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Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
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18.
An alcohol evaporator:
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protects the air brake system from too much pressure.
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used to reduce the chance of the front wheels skidding.
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to hold compressed air.
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is used to reduce the risk of ice in air brake valves and other parts during cold weather.
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19.
Vehicles with ABS have ______ ABS malfunction lamps on the instrument panel.
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orange
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blue
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green
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yellow
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20.
If you must stop on a one-way or divided highway, you should place warning devices _______ toward the approaching traffic.
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10, 100 and 200 feet
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5, 25 and 50 feet
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3, 15 and 45 feet
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5, 50 and 500 feet
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