CDL AIR BRAKES PRACTICE TEST - NEVADA
11.
You should always try to back toward the driver's side because:
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you can watch the rear of your vehicle out the side window.
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you can more easily correct any steering errors.
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backing toward the left side is more dangerous.
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None of the above.
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12.
Which of the following statements is true?
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Carrying a properly charged and rated fire extinguisher will help prevent fires.
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Under-inflated tires will NOT cause a vehicle fire.
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Poor cargo ventilation is a common cause of fire.
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There is no way that short circuits due to damaged insulation can cause a vehicle fire.
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13.
To make the brakes work, air brakes use:
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hydraulic air.
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compressed air.
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nitrogen.
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carbon monoxide.
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14.
The air storage tanks:
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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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are used to hold compressed air.
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protects the tank and the rest of the system from too much pressure.
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15.
The low pressure warning signal will generally activate when the air pressure falls between:
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55–75 psi.
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30–35 psi.
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85–100 psi.
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80–85 psi.
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