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Questions and Answers
What are the three components of an explosion?
What are the three components of an explosion?
- Water vapor, oxygen, and dust particles
- Combustible material, oxygen, and an ignition source (correct)
- Combustible material, air, and water
- Flammable gases, nitrogen, and a heat source
What three questions must be asked when entering a hazardous atmosphere?
What three questions must be asked when entering a hazardous atmosphere?
Which hazardous atmosphere? At which concentration? What oxygen content is present?
The ignition source affects the classification of explosive zone areas.
The ignition source affects the classification of explosive zone areas.
False (B)
What is an explosive atmosphere?
What is an explosive atmosphere?
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What are the three components of an explosion?
What are the three components of an explosion?
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What are the three questions that must be asked when entering a hazardous atmosphere?
What are the three questions that must be asked when entering a hazardous atmosphere?
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Explosive risk areas are areas where explosive atmospheres can form due to ______ conditions.
Explosive risk areas are areas where explosive atmospheres can form due to ______ conditions.
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Which of the following is NOT a component of the zone classification for explosive risk areas?
Which of the following is NOT a component of the zone classification for explosive risk areas?
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Study Notes
Explosive Protection
- An explosive atmosphere is a mixture of air and flammable gases/vapours/mists/dust under atmospheric conditions (0.8 – 1.1 bar and -20 – 60°C)
- Three components of an explosion: combustible material, oxygen, and an ignition source
- Eliminating one of these components can mitigate explosions
Explosive Risk Areas
- Areas where explosive atmospheres can form due to local and operational conditions
- Require special protective measures according to health and safety
- Classified into zones based on the likelihood of explosive atmospheres forming
Zones
- Zone 0: continuously or frequently explosive atmosphere present (e.g. open tanks)
- Zone 1: explosive atmosphere likely to occur in normal operations (e.g. vicinity of filling and emptying devices, easy breakable points)
- Zone 2: explosive atmosphere not likely to occur in normal operations, but possible for short periods
HSSE
- Health and Safety at Work Act
- Principles of Risk Assessment
- Accident Statistics
- Iceberg Model Bird and Germain
- Pyramidal Model
- Design of Workplace and Building Sites
- Work Equipment
- Measures for Risk Prevention
- Threshold Limit Values
- H2S Properties and Characteristics
- Regulation
- Outline
- Respiratory Protection Classification
Other
- Lower Explosion Limit (LEL) and Upper Explosion Limit (UEL)
- Primary, Secondary, and Tertiary Explosion Protection
- Fire Protection: Fire Risk Areas, Fire Breaks, Safety Distances, Safety Strips
- Working on Boreholes: Main Safety Devices, Blowout Prevention, Barrier Concept, Production and Storage
- Pipeline General Requirements
- Casing and Cementing: Reasons for Casing and Cementing
- Borehole Mining Standards – Overview
- Mining Law Provisions: Mining Act, Mining Right Holders, Borehole Mining Order BB-V
Explosive Protection
- An explosive atmosphere is a mixture of air and flammable gases/vapours/mists/dust under atmospheric conditions (0.8 – 1.1 bar and -20 – 60°C)
- Three components of an explosion: combustible material, oxygen, and an ignition source
- Eliminating one of these components can mitigate explosions
Explosive Risk Areas
- Areas where explosive atmospheres can form due to local and operational conditions
- Require special protective measures according to health and safety
- Classified into zones based on the likelihood of explosive atmospheres forming
Zones
- Zone 0: continuously or frequently explosive atmosphere present (e.g. open tanks)
- Zone 1: explosive atmosphere likely to occur in normal operations (e.g. vicinity of filling and emptying devices, easy breakable points)
- Zone 2: explosive atmosphere not likely to occur in normal operations, but possible for short periods
HSSE
- Health and Safety at Work Act
- Principles of Risk Assessment
- Accident Statistics
- Iceberg Model Bird and Germain
- Pyramidal Model
- Design of Workplace and Building Sites
- Work Equipment
- Measures for Risk Prevention
- Threshold Limit Values
- H2S Properties and Characteristics
- Regulation
- Outline
- Respiratory Protection Classification
Other
- Lower Explosion Limit (LEL) and Upper Explosion Limit (UEL)
- Primary, Secondary, and Tertiary Explosion Protection
- Fire Protection: Fire Risk Areas, Fire Breaks, Safety Distances, Safety Strips
- Working on Boreholes: Main Safety Devices, Blowout Prevention, Barrier Concept, Production and Storage
- Pipeline General Requirements
- Casing and Cementing: Reasons for Casing and Cementing
- Borehole Mining Standards – Overview
- Mining Law Provisions: Mining Act, Mining Right Holders, Borehole Mining Order BB-V
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