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Classes Flashcards

1
Q

Blue

A

Water reactive

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2
Q

Orange

A

Explosive

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3
Q

Mc-338

A

Cryogenic
Psi can be less then 25 and up to 500
Round with flat ends
Loading either the rear or in front of rear dual wheels

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4
Q

Pressure rail cars

A

Greater then 25 psi and flat bottoms with protected fittings on top of tank

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5
Q

Class 3

A

Flammable liquids

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7
Q

Cryogenic rail cars

A

Usually below 25 psi ground level cabinets on side or rear

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8
Q

Class 5

A

Oxidizing substances and organic peroxide’s

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9
Q

Class 6

A

Toxic and infectious substances

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11
Q

Red

A

Flammable

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12
Q

Green

A

Nonflammable gas

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13
Q

Mc-307

A

Low pressure chemical
Psi from 25 to 35 psi
Rounded or horseshoe end

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14
Q

Air

A

Air bill

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15
Q

Highway

A

Bill of lading

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16
Q

Rail

A

Trainlist/Consist

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17
Q

Water

A

Dangerous cargo manifest

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18
Q

Resume

A

One long and one short blast

19
Q

Class 1

A

Explosives

20
Q

My-306

A

Non pressure cargo
Less then 4 psi
Oval shape

22
Q

Mc-312

A

Corrosive liquid tank truck
35 to 55 psi
Don’t have a shutoff valve
Top unloading at the rear of the tank

23
Q

Class 4

A

Flammable solids

23
Q

Class 7

A

Radioactive materials

24
Q

Compressed gas tube psi?

A

2,400 to 5,000 psi

25
Q

Low pressure rail cars

A

Psi below 25psi could have up to six compartments

26
Q

Class 8

A

Corrosive substances

27
Class 2
Gases
28
Evacuate
Three short blasts
29
White
Health hazard (poison, corrosive)
30
Class 9
Miscellaneous dangerous substances and articles
30
Yellow
Oxidizer/reactive
30
Mc-331
High pressure Between 100 to 500 psi Guard cage around the bottom loading pipes
30
Dry bulk cargo pressure?
Most of the time no pressure but can be 15-20 psi
31
Cease or all quiet
One long blast

Hazard Classes (1 decks)

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