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15 years old.
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18 years old.
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21 years old.
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25 years old.
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New Jersey CDL Permit Test - Knowledge Test Class B
(From the 2021 New Jersey CDL driver handbook)
| Number of questions: | 50 |
| Passing score: | 40 |
Directions:
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has four possible answer choices. Test questions come from the New Jersey Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Passing grade —
10 or fewer errors
advertising
1.
To obtain a passenger endorsement, applicants must be at least:
2.
An air compressor governor will stop the compressor from pumping air once the air tanks have an air pressure level of:
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125 psi.
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100 psi.
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150 psi.
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80 psi.
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3.
If carrying a heavy load that is slowing you down, you should:
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Drive in the left lane.
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Drive in the right lane.
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Drive on the shoulder.
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Keep the vehicle in second gear.
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4.
Too little weight on a steering axle can result in:
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Poor traction.
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Increased visibility.
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Longer stopping distances.
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Improved gas mileage.
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5.
Which of the following is not a possible cause of a fire?
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Under-inflated tires
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Electrical system failures
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Flammable cargo
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Rolling down the window
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6.
Rims with welding repairs:
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Are unsafe.
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Are acceptable on tires in the rear of the vehicle.
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Are acceptable only when carrying a heavy load.
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Are acceptable in combination vehicles.
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7.
To use the controlled braking method, you should:
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Apply the brakes as hard as possible without locking the wheels.
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Apply the brakes with about half-force.
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Apply the brakes until the wheels lock.
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Pump the brakes.
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