CDL AIR BRAKES PRACTICE TEST - TEXAS
6.
To control your speed on a downgrade, you should:
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fully apply the brakes.
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use engine braking.
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use controlled braking.
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coast in neutral.
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7.
Vehicles with air brake systems take longer to come to a complete stop than vehicles with hydraulic brakes because of:
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brake lag.
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tire pressure.
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reaction distance.
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brake fading.
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8.
With air brake vehicles, you should use the parking brakes:
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only if your vehicle is equipped with ABS.
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whenever you leave the vehicle unattended.
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as little as possible.
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only during the vehicle inspection test.
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9.
If your tires are hot, you should NOT:
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drive until you correct the cause of the overheating.
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stop to let the tires cool down.
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let air out of the tires so the pressure goes back to normal.
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once the tires have cooled down, make another stop to check the tires.
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10.
Vehicles with ABS have ______ ABS malfunction lamps on the instrument panel.
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green
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blue
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yellow
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orange
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