CDL AIR BRAKES PRACTICE TEST - MARYLAND
16.
Having ABS on only the trailer:
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makes the trailer more likely to swing out.
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is very dangerous.
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makes the trailer more likely to roll over.
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still gives you more control over your vehicle during braking.
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17.
Front wheel braking is good:
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under all conditions.
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only in good weather.
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Never.
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only in wet conditions.
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18.
The ________ brake system applies and releases the brakes when the driver uses the brake pedal during normal driving.
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emergency
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service
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anti-lock
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parking
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19.
Before transporting sealed loads, you should check that:
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the load can be inspected.
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the load is properly secured.
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the seal numbers match the placard numbers.
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All of the above.
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20.
You should NOT use the parking brakes if:
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the brakes are too dry.
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the brakes are cold.
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the brakes are very hot.
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All of the above.
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