Relay
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Supply
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Emergency
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Number of questions: | 20 |
Passing score: | 16 |
Relay
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Supply
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Emergency
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Detach the jaws from around the kingpin.
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Make sure the locking lever is in the "emergency" position.
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Remove the safety latch.
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Look into the back of the fifth wheel.
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The suspension springs to extend.
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The tractor protection valve to open.
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The rear trailer to detach from the combination.
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The emergency brakes to activate.
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The trailer will stop normally.
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The trailer will not have brakes.
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The trailer will speed up.
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Supply air to the trailer.
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Activate the emergency brake.
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Disconnect the glad hands.
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Lightest
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Heaviest
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Smallest
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Front
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Last
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Middle
|
|
First
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