Training Bulletin 004- Gasoline Tank Truck/ Trailer Incidents

Question 1

Tank trucks transport approximately ___ % of all the fuels used by vehicles.

Answer 1

90%

Question 2

On average, how many gallons of fuel travels through the state of California via tanker trucks daily?

Answer 2

43 million gallons

Question 3

Tanker trucks are permitted to carry liquid food products with a vapor pressure of less than ___ psi.

Answer 3

3 psi

Question 4

The tank portion of the vehicle is considered a Non-Pressure Liquid Tank. What are three basic types of vehicle-tank configurations:

Answer 4

1) Single tank truck with two axles or three axles.
2) Tank tractor with a semi-trailer connected together by a fifth-wheel.
3) Tank truck pulling a two-axle trailer

Question 5

Carrying capacity of a single tank truck with two axles or three axles.

Answer 5

3,000 and 5,000 gallons respectively

Question 6

Carrying capacity and length of a tank tractor with a semi-trailer connected together by a fifth-wheel.

Answer 6

One tank approximately 40 feet long with a capacity of 9,000 gallons.

Question 7

Carrying capacity and length of a Tank truck pulling a two-axle trailer.

Answer 7

Each truck and trailer tank is approximately 20 feet long.

The capacity of the truck tank is 4,200 gallons and the trailer tank is 4,800 gallons for a total of 9000 gallons.

Question 8

Most tanks are made of aluminum. The tank wall is thickest at the bottom at ___ “ and gradually gets thinner as you progress toward the top of the tank.

Answer 8

3/16”

Question 9

Tanks usually have __ to __ compartments, with single bulkheads separating the compartments.

Answer 9

2 to 4

Question 10

If the leak indicator hole is illegally plugged, the void space between bulkheads could contain up to ___ gallons of product. NEVER REMOVE ANY PLUG.

Answer 10

200 gallons

Question 11

Where can you find emergency shut down switches on tanker trucks?

Answer 11

at the left front corner and at the main panel on the right side.

Question 12

Construction and design features allow for early tank failure at relatively low temperatures with pressure relief devices designed to maintain ___ to ___ psi.

Answer 12

3 to 5 psi

Question 13

Gasoline Tanker Incident – Leak, No Fire: • Eliminate potential ignition sources a minimum of ___ feet from the spill.

Answer 13

100 ft.

Question 14

Gasoline Tanker Incident – Leak, No Fire: Use combustible gas indicator to verify atmosphere around battery terminal (or battery shut-off switch) is below ___ % LEL before disconnecting or disabling.

Answer 14

10%

Question 15

For tire fires of a fuel tanker truck use a minimum ___ “ hose line with a minimum of ___” gpm.

Answer 15

1 1/2”

125 gpm