IDLH Hazards: Atmospheric Hazards During and After Fires

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Questions and Answers

What is the primary hazard posed by carbon monoxide during a fire?

  • It gives little or no warning of its presence (correct)
  • It obstructs vision
  • It is a combustible gas
  • It has irritating qualities

What is the primary cause of oxygen deficiency in a mine atmosphere during a fire?

  • The release of sulphur dioxide
  • Combustion or chemical reaction (correct)
  • The presence of methane
  • Carbon monoxide poisoning

Which of the following gases is NOT produced by mine fires or explosions?

  • Carbon monoxide
  • Methane (correct)
  • Sulphur dioxide
  • Oxygen

What is the primary characteristic of sulphur dioxide that distinguishes it from other hazardous gases?

<p>It has irritating qualities (A)</p> Signup and view all the answers

What is the primary hazard posed by burning Conveyor Belts and Rubber Tires?

<p>The release of chlorine gas (A)</p> Signup and view all the answers

What is the significance of hydrogen sulphide in relation to methane?

<p>It indicates the presence of methane (B)</p> Signup and view all the answers

What is the relative density of methane compared to air?

<p>0.55 (D)</p> Signup and view all the answers

Which gas is an asphyxiant and has a strong odour?

<p>Acetylene (A)</p> Signup and view all the answers

What is the explosive range of hydrogen?

<p>4–74 (C)</p> Signup and view all the answers

What is the colour, odour, and taste of carbon monoxide?

<p>Colourless, Odourless, Tasteless (C)</p> Signup and view all the answers

What is the primary source of radiation in a mining environment?

<p>Radon (A)</p> Signup and view all the answers

What should be referred to in case of high radon levels in an area?

<p>Site-specific safety procedures (D)</p> Signup and view all the answers

What is the temperature of the flame produced when acetylene is combined with oxygen in the oxyacetylene process?

<p>3,260°C (C)</p> Signup and view all the answers

Above what pressure can acetylene become dangerously explosive in its free state?

<p>100 kPa (D)</p> Signup and view all the answers

What is the purpose of packing acetylene cylinders with porous material saturated with acetone?

<p>To allow safe storage and transportation (D)</p> Signup and view all the answers

What is the explosive range of acetylene?

<p>2.8%–81% (D)</p> Signup and view all the answers

What is the product of mixing water with calcium carbide?

<p>Acetylene (D)</p> Signup and view all the answers

What is the hazard associated with acetylene and copper or alloys containing more than 67% copper?

<p>Explosive compound formation (A)</p> Signup and view all the answers

Which organization contributed to the development of the manual by providing assistance in creating and reviewing content?

<p>East Kootenay Mining Industry Safety Association (C)</p> Signup and view all the answers

What is the title of the publication from which the manual draws content?

<p>The Handbook of Training in Mine Rescue and Recovery Operations (D)</p> Signup and view all the answers

How many mine rescue organizations contributed to the development of the manual?

<p>3 (D)</p> Signup and view all the answers

Which of the following organizations was part of the steering committee in 2013-2014?

<p>Diavik Diamond Mines (A)</p> Signup and view all the answers

What is the purpose of the manual?

<p>To provide a comprehensive guide for mine rescue and safety operations (D)</p> Signup and view all the answers

Which of the following organizations did not contribute to the development of the manual?

<p>Alberta Ministry of Energy (B)</p> Signup and view all the answers

What is the purpose of this manual?

<p>To provide basic training in rescue procedures (A)</p> Signup and view all the answers

What is the responsibility of management in mine rescue training?

<p>To appoint a qualified person as a trainer for mine rescue training (A)</p> Signup and view all the answers

What is the role of the appointed rescue trainer?

<p>To maintain a log of dates, times, training material, and equipment used at practice sessions (D)</p> Signup and view all the answers

What should a properly planned training agenda aim to achieve?

<p>To achieve the maximum training results for the allotted training time (B)</p> Signup and view all the answers

Who must sign off on the records of mine rescue training sessions?

<p>The employers and trainees (A)</p> Signup and view all the answers

Which of the following organizations is NOT mentioned as a source in the manual?

<p>American Society of Safety Engineers (C)</p> Signup and view all the answers

What is the primary focus of this manual?

<p>Basic mine rescue principles, techniques, and equipment (C)</p> Signup and view all the answers

Which of the following is a contributing organization to the manual's content?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of the acknowledgments section in the manual?

<p>To acknowledge the contributions of various organizations and individuals (A)</p> Signup and view all the answers

Which of the following manuals is mentioned as a source in this manual?

<p>All of the above (D)</p> Signup and view all the answers

What is the purpose of citing various sources in the manual?

<p>To support the manual's content with evidence-based information (D)</p> Signup and view all the answers

What is the primary hazard posed by downed power lines during excavation activities?

<p>Electrical shocks, burns, and eye injuries (B)</p> Signup and view all the answers

What should be done when arriving at an electrical emergency incident scene?

<p>Stage response vehicles at a distance that avoids exposure to electrical hazards (A)</p> Signup and view all the answers

Why is it important to establish an exclusion zone around downed power lines?

<p>To ensure damaged electrical lines do not move significant distances (A)</p> Signup and view all the answers

What is the purpose of using lock-out/tag-out devices when working near energy sources?

<p>To ensure energy isolation is complete prior to conducting rescue operations (A)</p> Signup and view all the answers

What should mine rescue teams ensure before conducting rescue operations?

<p>That energy isolation is complete prior to conducting rescue operations (D)</p> Signup and view all the answers

Why is it important to assume that all electrical wires and equipment are energized until proven otherwise?

<p>To prevent electrical shocks, burns, and eye injuries (D)</p> Signup and view all the answers

What is a primary consideration when choosing an underground fresh-air base/zone?

<p>Providing good lighting and a safe location (D)</p> Signup and view all the answers

What type of protection is not mentioned as necessary for rescue teams in the manual?

<p>Seismic protection (A)</p> Signup and view all the answers

What is necessary to assure good air travel from the fresh-air base/zone to the surface?

<p>Assurance of good air travel way (D)</p> Signup and view all the answers

What is the primary role of the fresh-air base/zone in a rescue operation?

<p>A point of departure for the mine rescue team (C)</p> Signup and view all the answers

What is a necessary aspect of a fresh-air base/zone for underground operations?

<p>A location with good lighting (C)</p> Signup and view all the answers

What is a key factor in selecting a location for a fresh-air base/zone?

<p>Proximity to the incident (A)</p> Signup and view all the answers

What is the minimum grade required to pass the mine rescue certification examination?

<p>70% (C)</p> Signup and view all the answers

How often can a rescuer apply for an advanced certificate?

<p>Every 5 years (B)</p> Signup and view all the answers

Who compiled the Mine Rescue Manual?

<p>Mike Barber and Haley Kuppers (B)</p> Signup and view all the answers

What is required for a candidate to maintain their mine rescue certification?

<p>Continuous participation in mine rescue service (A)</p> Signup and view all the answers

Where did the Mine Rescue Manual originate from?

<p>The Mine Rescue Manual evolved from integrating revised editions of the General Underground Mine Rescue Manual and the Surface Mine Rescue Manual (B)</p> Signup and view all the answers

What is the purpose of the Mine Rescue Certification?

<p>To ensure that rescuers are mentally and physically capable to render assistance (B)</p> Signup and view all the answers

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