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The signal line
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The cable line
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The surplus line
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The power line
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New Jersey CDL Permit Test - Combination
(From the 2021 New Jersey CDL driver handbook)
| Number of questions: | 20 |
| Passing score: | 16 |
Directions:
All applicants who are applying for a Class A CDL should be prepared to take the Combination test. This test covers information found in Section 6 of the Commercial Driver License Manual. Section 6 provides the information needed to safely operate tractor-trailers, doubles, triples, and straight trucks with trailers. The test is made up of 20 multiple-choice questions, and applicants will need to correctly answer a minimum of 16 questions to pass. The Combination test is not a replacement for the Double/Triple endorsement test.
Passing grade —
4 or fewer errors
advertising
1.
What is another name for the service line?
2.
When uncoupling a trailer, landing gear should be:
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Raised completely.
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Lowered halfway.
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Just off the pavement.
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Firmly on the ground.
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3.
To lower the risk of a rollover, you should:
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Load the cargo as far forward as possible.
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Load the cargo as far back as possible.
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Load the cargo as low as possible.
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Stack the cargo as high as possible.
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4.
Driving a combination vehicle ____ than driving a single vehicle.
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Is easier
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Requires more driving skill
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Is better for training
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Is safer in inclement weather
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5.
What does the trailer air supply control look like?
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It is a square blue knob.
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It is a triangular yellow knob.
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It is an eight-sided red knob.
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It is a circular orange knob.
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6.
Glad hands are:
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Coupling devices.
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Happy passengers.
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Eager mechanics.
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Pleased drivers.
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7.
Push in the trailer air supply control to:
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Activate the emergency brakes.
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Deactivate the air brakes.
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Sound the horn.
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Supply the trailer with air.
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