CDL AIR BRAKES PRACTICE TEST - ALASKA
16.
When you make a quick lane change, the crack-the-whip effect can:
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make it harder to turn without skidding.
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improve your traction.
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turn the trailer over.
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17.
Typically an air system is fully-charged at:
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75 psi
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125 psi
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25 psi
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18.
Brake lag is:
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the time required for the air brakes to work after the brake pedal is pushed.
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the amount of air pressure required to stop the vehicle.
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the distance your vehicle will travel, in ideal conditions, while you are braking.
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19.
The air storage tanks:
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are connected to the engine through gears or a v-belt.
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are used to hold compressed air.
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stop the compressor from pumping air.
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20.
A dual air brake system:
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has two separate air brake systems, which use a single set of brake controls.
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has two separate air brake systems, which use two separate sets of brake controls.
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has a single air brake system, which uses a single set of brake controls.
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