AIR BRAKES PRACTICE TEST - MICHIGAN
16.
With the air pressure built up to governor cutoff, the maximum leakage rates per minute are ___ psi for single vehicles and ___ psi for a combination of 2 vehicles.
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3; 4
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5; 6
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3; 2
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17.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking 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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18.
Why must air tanks be drained?
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The water can freeze in cold weather and cause brake failure.
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The alcohol evaporator might stop working.
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There might not be enough antifreeze in the system.
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19.
Which of the following is NOT a reason for hydraulic brake failure?
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Loss of hydraulic pressure
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Brake fade on long hills
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Stab braking
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20.
If your truck has automatic transmission, you should downshift:
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when going down grades.
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whenever road conditions allow.
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after entering a curve.
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