AIR BRAKES CDL PRACTICE TEST - WEST VIRGINIA
11.
Most heavy vehicles require ________ change gears.
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double clutching
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double shifting
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single clutching
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triple shifting
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12.
If your trucks has a high center of gravity, which of the following is true for curves?
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You should travel at the posted speed limit.
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You should slow down, as your truck can roll over at the posted speed limit for the curve.
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Reduce your speed to a crawl.
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None of the above.
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13.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Partial Stopping Distance
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Stopping Distance - (minus) Brake Fade Distance
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Total Air Pressure
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Total Stopping Distance
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14.
Spring brakes:
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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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will come fully on when air pressure drops to a certain range, typically 20 to 30 psi.
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All of the above.
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15.
The alcohol evaporator:
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helps to reduce the risk of ice in air brake valves and other parts in cold weather.
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eliminates the need for daily air tank drainage.
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shows how much air pressure you are applying to the brakes.
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ensures the coolant temperature gauge remains in the normal range.
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