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WorksheetsPAE(09/26/24): Hazardous Materials
Total questions: 30
Worksheet time: 15mins
What are hazardous materials?
Substances that pose risks to health, safety, or the environment
Substances that are always safe to handle
Substances that are only used in laboratories
Substances that are not found in everyday life
Which of the following is an example of a hazardous material?
Water
Chemicals
Sand
Wood
Why is proper identification and management of hazardous materials important?
To increase production costs
To ensure safety and environmental protection
To make them more dangerous
To reduce their effectiveness
Which class of hazardous materials includes flammable liquids?
Class 1
Class 3
Class 5
Class 7
What type of substances are classified under Class 5 in the hazardous material classification system?
Explosives
Gases
Oxidizing Substances and Organic Peroxides
Radioactive Materials
Class 7 in the hazardous material classification system is designated for which type of materials?
Toxic and Infectious Substances
Radioactive Materials
Corrosive Substances
Flammable Solids
Which class includes toxic and infectious substances?
Class 2
Class 4
Class 6
Class 8
What are Class 1 hazardous materials?
Flammable liquids
Explosives
Corrosive substances
Radioactive materials
Which subclass of Class 1 hazardous materials is associated with a mass explosion hazard?
1.3
1.5
1.1
1.6
What is an example of a Class 1 hazardous material?
Fireworks
Water
Sand
Wood
Why is proper handling and storage important for Class 1 hazardous materials?
To increase their explosive power
To prevent accidental detonation
To make them more visible
To reduce their weight
Which of the following is an example of a flammable gas?
Nitrogen
Propane
Chlorine
Carbon Dioxide
Which type of gas is nitrogen classified as?
Flammable gas
Toxic gas
Non-flammable, non-toxic gas
Oxidizing gas
What is an example of a toxic gas?
Oxygen
Ammonia
Liquid Nitrogen
Nitrous Oxide
Which of the following is a cryogenic gas?
Liquid Oxygen
Propane
Nitrous Oxide
Chlorine
What is an example of an oxidizing gas?
Hydrogen
Nitrogen
Oxygen
Ammonia
What is the definition of Class 3 flammable liquids?
Liquids with flashpoints above 60°C (140°F)
Liquids with flashpoints below 60°C (140°F)
Solids with flashpoints below 60°C (140°F)
Gases with flashpoints below 60°C (140°F)
Which of the following is an example of a Class 3 flammable liquid?
Water
Sand
Gasoline
Wood
What is a hazard associated with Class 3 flammable liquids?
Non-reactive
Easily ignitable
Non-flammable
Non-explosive
How should Class 3 flammable liquids be stored?
Near heat sources
In open containers
Away from heat sources and in sealed containers
In plastic bags
What is the flash point range for Class 3 flammable liquids labeled as IC?
<23°C
23°C-60°C
>60°C
0°C-23°C
What are flammable solids?
Substances that are difficult to ignite
Solids that easily ignite and burn rapidly
Liquids that evaporate quickly
Gases that are non-flammable
What happens to spontaneously combustible materials when exposed to air?
They dissolve
They become inert
They ignite
They cool down
Which of the following is an example of a flammable solid?
Water
Sand
Aluminum powder
Ice
What is a hazard associated with flammable solids?
Slow fire spread
Rapid fire spread
No fire risk
Fire extinguishes easily
What safety measures should be taken with flammable solids?
Leave them in open air
Proper storage, handling, and fire suppression methods
Mix with water
Ignore safety protocols
What is the primary characteristic of oxidizing substances?
They absorb oxygen.
They release oxygen.
They are stable and non-reactive.
They decompose slowly.
What is a common risk associated with organic peroxides?
They are highly stable.
They decompose rapidly.
They absorb moisture.
They are non-flammable.
Which of the following is an example of an oxidizing substance?
Sodium chloride
Hydrogen peroxide
Water
Carbon dioxide
Why is proper handling and storage crucial for Class 5 hazardous materials?
To enhance their stability
To prevent accidents
To increase their shelf life
To reduce their cost
