AIR BRAKES CDL PRACTICE TEST - LOUISIANA
11.
Which of the following is not a braking system on a truck?
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Steering brake
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Service brake
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Parking brake
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Emergency brake
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12.
If the ABS is not working:
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the vehicle will have weak brakes.
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you still have normal brake functions.
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the vehicle will have no brakes.
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None of the above.
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13.
If you must drive slowly, how should you alert following drivers?
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Flash your brake lights
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Use your emergency flashers if it is legal
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Help them out by signaling when it is safe to pass
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Turn on your taillights
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14.
When checking air brakes on combination vehicles, which of the following is NOT part of checking that air flows to all trailers?
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Pulling tractor forward until the fifth-wheel comes out from under the trailer.
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Going to the rear of the rig.
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Using the trailer handbrake to provide air to the service line.
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Opening the emergency line shut-off valve at the rear of the last trailer.
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15.
A dual air brake system:
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has two separate air brake systems, which use two separate sets of brake controls.
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has two separate air brake systems, which use a single set of brake controls.
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has a single air brake system, which uses a single set of brake controls.
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has a single air brake system, which uses two separate sets of brake controls.
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