OH CDL AIR BRAKES PRACTICE TEST
16.
Too little weight on the driving axles can cause:
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mechanical damage.
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poor traction.
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longer stopping distances.
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17.
ABS brakes help you:
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downshift before starting down a hill.
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lock up the wheels in an emergency stop.
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avoid wheel lock up.
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18.
When the low air pressure warning light and buzzer first come on, you should:
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bring the vehicle to a safe stop right away.
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downshift and slow down.
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speed up to restore pressure.
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19.
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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At the end of each working day.
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Once a week.
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Every 4 hours.
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20.
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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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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