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Questions and Answers
What is the primary goal of Intrinsic Safety design?
What is the primary goal of Intrinsic Safety design?
- To limit energy to prevent ignition of hazardous atmospheric mixtures (correct)
- To detect toxic gases in emergency response situations
- To provide direct-reading instruments for mine rescue gas detection
- To provide personal protective equipment for hazardous locations
What category of hazardous atmospheres includes oxygen deficiency and asphyxiating gases?
What category of hazardous atmospheres includes oxygen deficiency and asphyxiating gases?
- Oxygen deficiency/Asphyxiating gases (correct)
- Smoke, aerosols, fumes
- Toxic
- Explosive/flammable gases or vapours
What type of instruments are used in mine rescue gas detection?
What type of instruments are used in mine rescue gas detection?
- Indirect-reading instruments
- Direct-reading instruments (correct)
- Remote-reading instruments
- Intrinsically safe instruments
What is the importance of selecting gas detection equipment?
What is the importance of selecting gas detection equipment?
What should be considered before any gas testing?
What should be considered before any gas testing?
What is the primary benefit of direct-reading instruments in mine rescue gas detection?
What is the primary benefit of direct-reading instruments in mine rescue gas detection?
What is the most immediate hazard to life during and after fires in mines?
What is the most immediate hazard to life during and after fires in mines?
What is the primary cause of oxygen deficiency in mines during and after fires?
What is the primary cause of oxygen deficiency in mines during and after fires?
What is a potential hazard when dealing with sulphide ore bodies during mine fires?
What is a potential hazard when dealing with sulphide ore bodies during mine fires?
What is a potential indication of methane presence in a mine?
What is a potential indication of methane presence in a mine?
What hazardous gas is released when PVC-covered belting is heated?
What hazardous gas is released when PVC-covered belting is heated?
What is a major hazard during rescue or recovery operations in mines?
What is a major hazard during rescue or recovery operations in mines?
What should you do when near power lines while raising or lowering ladders or elevated work platforms?
What should you do when near power lines while raising or lowering ladders or elevated work platforms?
What should you avoid using to extinguish fires in energized electrical equipment?
What should you avoid using to extinguish fires in energized electrical equipment?
What can indicate the presence of downed wires in your surroundings?
What can indicate the presence of downed wires in your surroundings?
What is a critical skill for mine rescue teams to possess when operating in hazardous environments?
What is a critical skill for mine rescue teams to possess when operating in hazardous environments?
What can create an oxygen-deficient atmosphere in a mine during emergencies?
What can create an oxygen-deficient atmosphere in a mine during emergencies?
What is the primary objective for miners during a mine fire?
What is the primary objective for miners during a mine fire?
What is the primary purpose of Intrinsic Safety design?
What is the primary purpose of Intrinsic Safety design?
What is the primary benefit of using direct-reading instruments in mine rescue gas detection?
What is the primary benefit of using direct-reading instruments in mine rescue gas detection?
What category of hazardous atmospheres includes particulate contaminants?
What category of hazardous atmospheres includes particulate contaminants?
What is the most immediate hazard to life during and after fires in mines?
What is the most immediate hazard to life during and after fires in mines?
What gas is always present at the time of a fire and gives little or no warning of its presence?
What gas is always present at the time of a fire and gives little or no warning of its presence?
What is a critical consideration when selecting gas detection equipment?
What is a critical consideration when selecting gas detection equipment?
What should be considered before performing any gas testing?
What should be considered before performing any gas testing?
What is the primary cause of oxygen deficiency in mines during and after fires?
What is the primary cause of oxygen deficiency in mines during and after fires?
What type of gas is released when Polyvinylchloride (PVC)-covered belting is heated?
What type of gas is released when Polyvinylchloride (PVC)-covered belting is heated?
What can indicate the presence of methane in a mine during rescue or recovery operations?
What can indicate the presence of methane in a mine during rescue or recovery operations?
What should you do when approaching a vehicle or apparatus that is in contact with electrical wires?
What should you do when approaching a vehicle or apparatus that is in contact with electrical wires?
What can be a hidden hazard in fences when working near power lines?
What can be a hidden hazard in fences when working near power lines?
What is a critical aspect of mine rescue operations in environments with hazardous substances?
What is a critical aspect of mine rescue operations in environments with hazardous substances?
What can create a hazardous atmosphere in a mine during emergencies such as fires?
What can create a hazardous atmosphere in a mine during emergencies such as fires?
What should you avoid using on fires in energized electrical equipment?
What should you avoid using on fires in energized electrical equipment?
What can prevent the dangerous accumulation of gases in mines, except in the case of fire?
What can prevent the dangerous accumulation of gases in mines, except in the case of fire?
At what level of oxygen displacement can non-toxic gaseous impurities become dangerous?
At what level of oxygen displacement can non-toxic gaseous impurities become dangerous?
What is a primary way that gases can affect people?
What is a primary way that gases can affect people?
What can cause considerable discomfort in mines?
What can cause considerable discomfort in mines?
What can be a factor in the effects of gases on people in mines?
What can be a factor in the effects of gases on people in mines?
What is the explosive range of hydrogen sulphide?
What is the explosive range of hydrogen sulphide?
What may cause an oxygen deficient atmosphere and have an anaesthetizing effect in high concentrations?
What may cause an oxygen deficient atmosphere and have an anaesthetizing effect in high concentrations?
How is hydrogen sulphide formed in blasting operations?
How is hydrogen sulphide formed in blasting operations?
What is a highly toxic gas that can immediately paralyze the sense of smell and progress to respiratory paralysis then death?
What is a highly toxic gas that can immediately paralyze the sense of smell and progress to respiratory paralysis then death?
What is the explosive range of MAPP?
What is the explosive range of MAPP?
What is the unit of measurement for airborne particulate concentrations?
What is the unit of measurement for airborne particulate concentrations?
What is the term for the minimum concentration of a gas or vapour in air that will ignite when exposed to an ignition source?
What is the term for the minimum concentration of a gas or vapour in air that will ignite when exposed to an ignition source?
What is the pH of pure water?
What is the pH of pure water?
What is the term for the ratio of the density of a substance to the density of a standard substance under specified conditions?
What is the term for the ratio of the density of a substance to the density of a standard substance under specified conditions?
What is the term for a substance with a pH below 7?
What is the term for a substance with a pH below 7?
What is the primary reference guide for rescuers responding to incidents involving hazardous materials?
What is the primary reference guide for rescuers responding to incidents involving hazardous materials?
What are the four categories of stress reactions that may occur in critical incidents?
What are the four categories of stress reactions that may occur in critical incidents?
What is the significance of the number of stress reactions experienced in a critical incident?
What is the significance of the number of stress reactions experienced in a critical incident?
What is the significance of the duration of stress reactions in a critical incident?
What is the significance of the duration of stress reactions in a critical incident?
What is a critical incident, as defined in the context of hazardous materials response?
What is a critical incident, as defined in the context of hazardous materials response?
Which resource is available to responders for 24-hour national emergency response advisory service?
Which resource is available to responders for 24-hour national emergency response advisory service?
What is the purpose of having site-specific response procedures in hazardous materials response?
What is the purpose of having site-specific response procedures in hazardous materials response?
What is the significance of having on-site expertise in hazardous materials response?
What is the significance of having on-site expertise in hazardous materials response?
What is the purpose of the Emergency Response Guidebook in hazardous materials response?
What is the purpose of the Emergency Response Guidebook in hazardous materials response?
What is the significance of the Material Safety Data Sheets (MSDS) in hazardous materials response?
What is the significance of the Material Safety Data Sheets (MSDS) in hazardous materials response?
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