|
Stop harder than you would otherwise.
|
|
|
Use extra braking force to ensure the ABS kicks in.
|
|
|
Brake as you normally would.
|
|
|
Brake using less pressure than you would otherwise use.
|
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.
When driving a tractor-trailer equipped with ABS, you should:
2.
Rollovers happen when:
|
A truck driver is driving too fast.
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|
|
The driver of a vehicle in front of a truck is moving to slowly.
|
|
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A truck driver is driving too slowly.
|
|
|
ABS is working effectively.
|
3.
While inspecting a coupling, you should go under the trailer and:
|
Detach the jaws from around the kingpin.
|
|
|
Make sure the locking lever is in the "emergency" position.
|
|
|
Remove the safety latch.
|
|
|
Look into the back of the fifth wheel.
|
4.
If oil and water build up in your vehicle's air tanks, the brakes:
|
May not work correctly.
|
|
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May feel squishy.
|
|
|
Will squeal loudly when used.
|
|
|
Will be extremely sensitive.
|
5.
Using the trailer hand brake while experiencing a trailer jackknife will:
|
Stop the skid.
|
|
|
Straighten the trailer.
|
|
|
Increase traction.
|
|
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Continue the skid.
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6.
What is another name for the service line?
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The signal line
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|
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The cable line
|
|
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The surplus line
|
|
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The power line
|
7.
Emergency air lines are often coded with the color:
|
Green.
|
|
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Orange.
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|
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Yellow.
|
|
|
Red.
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