Questions and Answers
What is Division 2.1 Flammable Gas?
Any material that is a gas and ignitable, flammable, such as propane.
What is Division 2.2 Non-flammable, Non-poisonous Compressed Gas?
Cryogenic gas.
Define Cryogenic Liquid.
A refrigerated, liquefied gas that has a boiling point colder than -130F at atmospheric pressure.
What is Division 2.3 Poisonous Gas?
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What is the major/primary hazard of Class 2?
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What does the Flammable Placard look like?
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What does the Nonflammable Placard look like?
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How does the Oxidizer Placard appear?
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What does the Poison Gas Placard look like?
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Study Notes
Division 2.1: Flammable Gas
- Comprises gases that can ignite and sustain combustion.
- Examples include propane and other combustible materials.
Division 2.2: Non-flammable, Non-poisonous Compressed Gas
- Includes cryogenic gases categorized under Division 2.2.
Cryogenic Liquid
- Defined as a liquefied gas maintained at extremely low temperatures.
- Has a boiling point lower than -130°F at standard atmospheric pressure.
Division 2.3: Poisonous Gas
- Characterized as extremely hazardous and potentially lethal to humans.
Class 2 Major/Primary Hazard
- BLEVE stands for Boiling Liquid Expanding Vapor Explosion, a critical safety risk associated with pressurized gases.
Flammable Placard
- Identified by a red background featuring a white flame symbol, indicating flammable materials.
Nonflammable Placard
- Marked with a green background and a white cylinder symbol, denoting non-flammable gases.
Oxidizer Placard
- Displayed with a yellow background and a flaming "O" symbol, indicating oxidizing agents.
Poison Gas Placard
- Features a white background with a skull and crossbones, signaling the presence of toxic gases.
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Test your knowledge on different classifications of compressed gases with these flashcards. Each card covers key terms and definitions related to flammable, non-flammable, and poisonous gases. Perfect for students learning about gas safety and classifications.
