Tank And Rail Silouettes

Question 1

What are the (9) Hazard Classes

Answer 1

(Every Good Firefighter on Pension receives Cash Money)

• explosives
• gases
• flammable liquids
• flammable solids
• Oxidizers
• poisons
• radiological
• corrosives
• Misc.

Question 2

What are the (13) gases lighter than air?

Answer 2

(4H Medic Anna)

• Hydrogen
• Helium
• Hydrogen Cyanide
• Hydrogen Fluoride
• Methane
• Ethylene
• Diborane
• illumiminating Gases
• Carbon Monoxide
• Acetylene
• Neon
• Nitrogen
• Ammonia

Question 3

What are the components of a MC 331?

high pressure

Answer 3

It carries liquefied compressed gases
Pressure between 100-500 psi (up to 300 psi Silouette manual)
Rounded heads
Capacity 11,500 gals. (Bobtails 2,500 gals.)
Non-Insulated

Question 4

What are the components of a MC 338

Cryogenic Liquid Tank

Answer 4

It carries refrigerated Liquefied gases

• 25-500 psi (less than 25 psi Silouette manual)
• Temp at least -131 F
• Thermo Body style (cylinder in cylinder)
• loading & off loading in rear

Question 5

What are the components of a DOT 406?

Non(Low) Pressure Bulk Liquid Tank

Answer 5

Carries General Purpose Cargo(gas,alcohol,etc.)

• Oval shape with flat ends
• Capacity 9,000gals.
• 3-4 psi
• Rollover section on top
• Aluminum structure

Question 6

What are he component of a DOT 407

Low pressure Tank

Answer 6

Carries toxic, corrosives & flammable liquids

• 25-40 psi
• capacity 6,000-7,000 gals.
• sis between wheel
• May be multiple compartments
• Steel structure

Question 7

Components of a DOT 412:

Corrosive Liquids, Acids

Answer 7

Less than 75 psi

• capacity 6,000 gals.
• External ring stiffeners
• Stainless Steel structure

Question 8

Components of Compressed Gas Tube Trailer

High Pressure

Answer 8

carries (assorted) compressed gases

• 3,000-5,000 psi (Gas only)
• thermal protection

Question 9

Components of Dry Bulk Cargo tanker

Answer 9

Not under pressure

-shapes vary but will have hoppers

Question 10

How many types of Intermodal is there? What are the (2) major types of frame?

Answer 10

3

Box type & Beam type

Question 11

What are the (3) types of Intermodal tank?

Answer 11

Non-Pressure or Pressure
Cryogenic
tube Modules

Question 12

what are the basic components of a Intermodal Tank?

Answer 12

working pressure 25-100 psi
capacity 5,000-6,000 gals.
maybe refrigerated, heated or lined
(Liquefied compressed gases 100-500 psi)

Question 13

What are the most common type of Pressure Rail cars?

Answer 13

DOT 105,112,114,109, 120

Question 14

What is the difference between the DOT 112 & DOT 114?

Answer 14

The DOT 114 doesn’t have bottom outlets and washouts

Question 15

What are the most common Non-Pressure Rails Cars?

Answer 15

DOT 103,104,111,115

Question 16

What is the capacity & pressure for Pressurized Rail cars?

Answer 16

4,000-45,000 gals.

100-600 psig

Question 17

What is the capacity & pressure for Non-Pressurized Rail cars?

Answer 17

4,000-34,000 gals.

less than 25 psig

Question 18

What does non(low) pressure rail cars transport?

Answer 18

It’s use is for general service or acid service cargo rail car

Question 19

What does a high pressure rail car transport?

Answer 19

It carries liquids of a high vapor pressure or highly hazardous Materials

Question 20

What are some components of Cryogenic Rail cars?

Answer 20

• Carries low pressure refrigerated liquids
• transports at temperatures of -130 or below
• these products are gases in it’s natural state and liquid when refrigerated

Question 21

What are some components of Pneumatically unloaded hoppers?

Answer 21

• force the products out using air pressure
• considered non-pressure but can withstand 20-80 psig
• carries product like calcium carbide, caustic soda or dry bulk products