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New Jersey CDL Permit Test - Tank

Number of questions: 20
Passing score: 16
Directions: This endorsement is required to haul any liquid or gaseous materials in a tank or tanks having a capacity of 1,000 gallons or more that is either permanently or temporarily attached to the vehicle or chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. Each question has four possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the New Jersey Commercial Driver Guide. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials, Air Brakes and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.
You have made error so far
Passing grade —
4 or fewer errors

During a static leakage test, the maximum leakage rate for a double combination vehicle is:

3 psi in one minute.
6 psi in one minute.
8 psi in one minute.
4 psi in one minute.

When inspecting a tank, a driver should:

Follow their instincts.
Refer to their specific vehicle’s operator manual.
Look online for information about the vehicle.
Make sure there is no rust on the outside of the tank.

Starting in which year were newly manufactured trailers required to have ABS?


Placarded vehicles must carry fire extinguishers with a minimum rating of:

10 B:C.
20 C.
10 A:B.
5 B:C.

Which of the following is a good rule to follow when making a turn?

Honk your horn.
Use your arms to get the attention of other drivers.
Turn off your turn signal before entering the turn to avoid confusing other drivers.
Signal early.

If a trailer begins to skid, the driver should:

Lock the brakes.
Release the brakes.
Steer in the opposite direction.

When inspecting your vehicle, which of the following should not cause concern?

Exhaust system parts rubbing against fuel system parts
Exhaust system parts that are leaking
Missing mounting brackets
Exhaust system parts made of aluminum
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