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Separation of Mixtures in Chemical Engineering

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Separation of Mixtures in Chemical Engineering

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Questions and Answers

What occurs when a flammable vapour cloud spreads from too rich, through the flammable range to too lean?

Cloud does not react

Immediate explosion

Edges start to burn through deflagration (correct)

Cloud disperses through containment

What is the term for the concentration of a substance below which it will not ignite?

Toxic Release Level

Upper Explosive Limit (UEL)

Flammable Range Limit

Lower Explosive Limit (LEL) (correct)

What can cause a vapour cloud to detonate?

Low flame velocity

High flame velocity (correct)

Small cloud size

Natural convection

What is the term for the release of toxic chemicals into the environment?

Toxic Release Signup and view all the answers

What is the environment defined as in the context of process safety?

Water, air, and land and the interrelationship between them Signup and view all the answers

What is the purpose of the Emergency Planning and Community Right-to-Know Act?

To provide emergency planning and community right-to-know Signup and view all the answers

What type of explosion can occur when a vapour cloud is confined?

Detonation Signup and view all the answers

What is the term for a substance that can cause severe illness, poisoning, birth defects, disease, or death when ingested, inhaled, or absorbed by living organisms?

Toxic Chemical Signup and view all the answers

What is the term for the maximum concentration of a substance that will ignite?

Upper Explosive Limit (UEL) Signup and view all the answers

What is the term for a fire that spreads quickly, often in a sudden and unexpected manner?

Flash Fire Signup and view all the answers