Tank

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.. Read More

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 answer choices. To pass, the applicant must answer at least 16questions correctly. Test questions come from the New York State Commercial Motor Vehicle Drivers Handbook. Questions come from chapters covering: Driving Safely, Combination Vehicles and Doubles and Triples. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question
Passing Score

1. What does the air compressor governor do?

Explanation
In an air brake system, the air compressor governor controls when the air compressor pumps air into the air storage tanks.

2. Be sure you are always driving so your vehicle can stop:

Explanation
Always be sure that you are driving in a manner that will allow your vehicle to come to a complete stop, if necessary, within the area of the road ahead that you are able to see.

3. Multi-speed axles and auxiliary transmissions are used:

Explanation
On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears. They are usually controlled by a selector knob on the gearshift lever.

4. When traveling with Division 1.1, 1.2, or 1.3 explosives, the vehicle should not be:

Explanation
Except when parking briefly to perform necessary functions for vehicle operation (such as refueling), never park a vehicle carrying Division 1.1, 1.2, or 1.3 explosives within 300 feet of a bridge, tunnel, or building. Never park such a vehicle within five feet of the traveled portion of a road. Such vehicles should be parked only briefly.

5. Which of the following is not a tire problem to check for and avoid?

Explanation
During an inspection, there are a number of tire problems to check for and avoid. Look for air pressure that is too low or too high; excessive wear; cuts or other damage; tread separation; dual tires that come into contact with each other or other parts of the vehicle; mismatched tire sizes; radial and bias-ply tires used together; cut or cracked valve stems; and regrooved, recapped, or retreaded tires on the front wheels of a school bus.

6. A vehicle should be equipped with all of the following, except:

Explanation
Commercial vehicles should always carry the proper emergency equipment. Be sure your vehicle is equipped with at least one fire extinguisher; spare electrical fuses, unless the vehicle is equipped with circuit breakers; and warning devices for parked vehicles, such as warning triangles, fuses, or liquid burning flares.

7. What is the average driver’s reaction time?

Explanation
The average driver has a reaction time of between three-quarters of a second and one second.
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