Instructions

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 chassis. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Test questions come from the Commonwealth of Pennsylvania Commercial Driver’s Manual. Questions come from chapters covering: Tank vehicles. The Tank endorsement can be used with the Class A, B or C CDL.

Number of Question 20

Passing Score 16

1. When coupling a trailer:

Make sure to couple matching glad hands.

Any glad hand can be connected to any other glad hand.

It is best to leave one glad hand unattached.

Only one set of glad hands should be connected.

When coupling, make sure you couple matching glad hands. They are often color-coded to help drivers avoid mistakes. Typically, blue is used for service lines and red is used for emergency lines.

2. If there is a collision involving a vehicle transporting Class 1 explosives, the driver should:

Not warn others of the danger.

Allow smoking near the vehicle.

Keep the explosives inside the vehicle until after separating the vehicles involved in the collision.

Remove the explosives from the vehicle before separating the vehicles involved in the collision.

If you are driving a vehicle that is transporting Class 1 explosives and it is involved in an accident, you should warn others of the danger, keep bystanders away, and not allow smoking or open fires near the vehicle. Before separating the vehicles involved in the collision, remove all explosives and place them at least 200 feet away from the vehicles and any occupied buildings.

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

One-sixteenth of a second

One-eighth of a second

Between three-quarters of a second and one second

Two seconds

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

4. With your low beam headlights turned on, you should be able to see about ____ ahead of your vehicle.

15 feet

75 feet

100 feet

250 feet

Low beam headlights allow you to see about 250 feet ahead of your vehicle. When driving at night, adjust your speed so that you will be able to stop in the distance illuminated by your headlights.

5. The identification number associated with a hazardous material should appear:

On the material's packaging.

On the vehicle's license plate.

Directly next to a placard.

On a bumper sticker on the vehicle.

A material's ID number must appear on its accompanying shipping paper as well as on its packaging. It must also appear on cargo tanks and other bulk packaging.

6. A tractor protection valve is:

A device that keeps air in the tractor or truck brake system, should the trailer break away or develop a bad leak.

A device that prevents theft.

A device that controls fuel levels.

A device that allows the battery to recharge efficiently.

On combination vehicles with air brakes, the tractor protection valve keeps air in the tractor or truck brake system, should the trailer develop a bad leak or break away from the tractor.

7. Placards must be placed:

In any manner, as long as they are visible.

So words and numbers are read from left to right.

Upside down.

Within three inches of other markings.

Hazardous materials placards must be positioned so any words or numbers can be read from left to right. They must be at least three inches away from any other markings.

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