Answer the questions that come after each, based solely on the information in the passage. Understanding the basics of fire extinguishers is a requirement for firefighters who teach fire safety to the public. Different types of fires require different types of extinguishers. Being able to clearly explain the differences can save lives and property. Class A fires involve combustible materials such as paper, wood, and cloth. A water-filled extinguisher is the most effective in putting out these fires. Residents should direct the nozzle toward the base of the fire and spray until all... Show more Answer the questions that come after each, based solely on the information in the passage. Understanding the basics of fire extinguishers is a requirement for firefighters who teach fire safety to the public. Different types of fires require different types of extinguishers. Being able to clearly explain the differences can save lives and property. Class A fires involve combustible materials such as paper, wood, and cloth. A water-filled extinguisher is the most effective in putting out these fires. Residents should direct the nozzle toward the base of the fire and spray until all involved material is wet. A dry chemical extinguisher can also be used on some Class A fires. Fires that involve flammable liquids such as gasoline and paint are Class B fires. Dry chemical extinguishers are most effective on these types of fires. Residents should stand about ten feet from the fire and spray the chemical substance at the base of the fire. As the fire diminishes, they can slowly move closer. If there is no wind, carbon dioxide extinguishers, which decrease the amount of oxygen, can be used. Oxygen can accelerate the spread of fires. Electrical fires are in the Class C category. Residents should attempt to shut off power before confronting this type of fire. If power is shut off, a water-filled unit is most effective and can be used safely. Otherwise, residents should use carbon dioxide or dry chemical units. Fires involving combustible metals such as magnesium are Class D fires. Special foam compounds are needed to extinguish these fires. Extinguishers should be kept in areas where they are easily accessible but safe from damage and out of the reach of children. Show less
Answer the questions that come after each, based solely on the information in the passage.
Understanding the basics of fire extinguishers is a requirement for firefighters who teach fire safety to the public. Different types of fires require different types of extinguishers. Being able to clearly explain the differences can save lives and property. Class A fires involve combustible materials such as paper, wood, and cloth. A water-filled extinguisher is the most effective in putting out these fires. Residents should direct the nozzle toward the base of the fire and spray until all involved material is wet. A dry chemical extinguisher can also be used on some Class A fires. Fires that involve flammable liquids such as gasoline and paint are Class B fires. Dry chemical extinguishers are most effective on these types of fires. Residents should stand about ten feet from the fire and spray the chemical substance at the base of the fire. As the fire diminishes, they can slowly move closer. If there is no wind, carbon dioxide extinguishers, which decrease the amount of oxygen, can be used. Oxygen can accelerate the spread of fires. Electrical fires are in the Class C category. Residents should attempt to shut off power before confronting this type of fire. If power is shut off, a water-filled unit is most effective and can be used safely. Otherwise, residents should use carbon dioxide or dry chemical units. Fires involving combustible metals such as magnesium are Class D fires. Special foam compounds are needed to extinguish these fires. Extinguishers should be kept in areas where they are easily accessible but safe from damage and out of the reach of children.
Join 4M+ learners. Unlock unlimited quizzes, wrong-answer tracking, flashcards + reminders, study guides, and 1-on-1 challenges.