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Hawaii CDL Permit Test - Tank

(From the 2021 Hawaii CDL driver handbook)

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 three possible answer choices. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Hawaii Commercial Driver License Manual. Questions come from chapters covering: Driving Safely, Tank Vehicles, Hazardous Materials and Combination Vehicles. The Tank endorsement can be used with the Class A, B or C CDL.

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Passing grade —

4 or fewer errors

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What is road rage?

Operating a motor vehicle with the intent of doing harm to others
Operating a motor vehicle that is deemed unsafe
Operating a motor vehicle that has not been inspected

Liquid surge occurs in:

Overfilled tanks.
Partially-filled tanks.
Tanks that have not been used for a period of time.

Radial and bias-ply tires:

Should be used together.
Should be used together on the front of a vehicle.
Should not be used together.

When near a railroad crossing:

You should expect to hear every approaching train.
You may not hear a train, even if one is approaching.
You will hear two short blasts of a train's horn if a train is approaching.