CDL AIR BRAKES PRACTICE TEST - CALIFORNIA
16.
When the air pressure is built up to governor cutoff, the air leakage rate for combination vehicles with the engine off and the foot brake fully applied should be less than_____ in one minute.
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2 psi
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3 psi
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4 psi
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17.
Some air brake systems have an alcohol evaporator to:
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prevent ice from forming in the brake system.
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reduce the danger of slipping.
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reduce the stopping power of the vehicle.
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18.
ABS:
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helps you avoid wheel lock up.
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makes it easier to break.
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allows the wheels to lock up.
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19.
Air brakes:
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should be used only when driving on wet roads.
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are an effective way to stop large and heavy vehicles.
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are prohibited on larger vehicles.
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20.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Stopping Distance - (minus) Brake Fade Distance
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Total Stopping Distance
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Total Air Pressure
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