AIR BRAKES PRACTICE TEST - NEVADA
21.
Before starting down a hill, you should slow down and shift down:
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to a speed that you can control without using the brakes hard.
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to a gear that will cause your brakes to overheat.
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to a gear that will cause your engine to exceed its redline.
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so you can coast downhill.
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22.
How do you test hydraulic brakes for leaks?
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Pull forward against parking brake to make sure the hydraulic brakes holds.
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Pump the brake pedal three times, then apply firm pressure to the pedal and hold for five seconds. The pedal should not move.
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Pump the brake pedal ten times and see if it holds.
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None of the above.
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23.
Spring brakes:
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will come fully on when air pressure drops to a certain range, typically 20 to 30 psi.
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are usually held back by air pressure.
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will apply the brakes when a leak in the air brake system causes all the air to be lost.
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All of the above.
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24.
Pressing and releasing the brake pedal unnecessarily can:
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causes friction, which slows the vehicle.
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causes all the air to be lost.
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let air out faster than the compressor can replace it.
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apply more air pressure.
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25.
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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