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New Jersey CDL Permit Test - Combination

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.
You have made error so far
Passing grade —
4 or fewer errors
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1.
Push in the trailer air supply control to:
Activate the emergency brakes.
Deactivate the air brakes.
Sound the horn.
Supply the trailer with air.
2.
What is another name for the service line?
The signal line
The cable line
The surplus line
The power line
3.
Glad hands are:
Coupling devices.
Happy passengers.
Eager mechanics.
Pleased drivers.
4.
To lower the risk of a rollover, you should:
Load the cargo as far forward as possible.
Load the cargo as far back as possible.
Load the cargo as low as possible.
Stack the cargo as high as possible.
5.
What does the trailer air supply control look like?
It is a square blue knob.
It is a triangular yellow knob.
It is an eight-sided red knob.
It is a circular orange knob.
6.
When uncoupling a trailer, landing gear should be:
Raised completely.
Lowered halfway.
Just off the pavement.
Firmly on the ground.
7.
Driving a combination vehicle ____ than driving a single vehicle.
Is easier
Requires more driving skill
Is better for training
Is safer in inclement weather
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