Activate the emergency brakes.
|
|
Deactivate the air brakes.
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|
Sound the horn.
|
|
Supply the trailer with air.
|
Number of questions: | 20 |
Passing score: | 16 |
Activate the emergency brakes.
|
|
Deactivate the air brakes.
|
|
Sound the horn.
|
|
Supply the trailer with air.
|
Drivers turn too fast.
|
|
Driver turn too slowly.
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|
It is windy.
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|
It is raining.
|
An automobile
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|
A three-axle tractor
|
|
A bobtail tractor
|
|
A triple combination
|
1943
|
|
1998
|
|
2009
|
The parking brake.
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|
The trailer emergency brakes.
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|
The trailer service brakes.
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|
The landing gear.
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The control line
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|
The utility line
|
|
The open line
|
|
The parallel line
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May not couple correctly.
|
|
Will couple securely.
|
|
Is not an issue.
|
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