NE CDL AIR BRAKES PRACTICE TEST
11.
Before transporting sealed loads, you should check that:
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the load is properly secured.
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the seal numbers match the placard numbers.
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the load can be inspected.
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All of the above.
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12.
In air brake vehicles, the parking brake should be used:
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to hold your speed while going downhill.
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when the spring brakes are on.
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as little as possible.
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any time you park (with a few exceptions).
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13.
Brakes out of adjustment can cause the other brakes to:
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last longer.
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apply more braking power.
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work better.
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overheat and fade.
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14.
Front wheel braking is good:
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only in good weather.
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Never.
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under all conditions.
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only in wet conditions.
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15.
Most heavy-duty vehicles use:
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triple air brake systems.
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pump-the-brake systems.
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single air brake systems.
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dual air brake systems.
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