MASSACHUSETTS CDL AIR BRAKES PRACTICE TEST
16.
_________ must have a low air pressure warning signal.
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Only vehicles with air brakes built before 2015
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Vehicles with air brakes built after 2010
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Vehicles with air brakes built after 2005
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All vehicles with air brakes
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17.
Service brakes should:
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always be checked before applying the brakes.
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only be checked by a mechanic.
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be checked before each trip.
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All of the above.
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18.
When meeting an oncoming vehicle at night, if the other driver does not put their low beams on, you should:
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flash your high beams at the other driver.
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"get back at the other driver" by putting your own high beams on.
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slow down and look straight ahead in your lane.
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look slightly to the right to avoid looking directly at the lights of the oncoming vehicle.
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19.
Most heavy duty vehicles use ___ air brake systems for safety.
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single
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dual
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reduced
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triple
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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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3, 15 and 45 feet
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10, 100 and 200 feet
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5, 50 and 500 feet
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5, 25 and 50 feet
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