AIR BRAKES PRACTICE TEST - RHODE ISLAND
16.
If your vehicle does not have automatic air tank drains, how often should you drain air tanks to remove moisture and oil?
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Every 4 hours.
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At the end of each working day.
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Once a week.
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17.
If your vehicle has dual parking control valves, you can use pressure from a separate tank to:
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release the spring brakes so you can move the vehicle in an emergency.
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balance the service brakes while you are parked.
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park better.
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18.
Your vehicle has air brakes. To stop, you should:
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pull the parking brake control knob out.
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push the brake pedal down.
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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19.
If you get stuck on the railroad tracks, the first thing you should do is:
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scream for help.
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stay in your vehicle and call 911.
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immediately get out of the cab and move away from the tracks.
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20.
The air storage tanks:
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are used to hold compressed air.
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are connected to the engine through gears or a v-belt.
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stop the compressor from pumping air.
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