Chapter 6 Portable Fire Extinguishers Questions and Answers Already Passed

Chapter 6 Portable Fire Extinguishers Questions and Answers Already Passed How are portable fire extinguishers classified? according to the type of the fire they are designed to extinguish How are the different classes of portable fire extinguishers distinguished from one another? letter and/or symbol labels What is an example of a Class A combustible material? paper A fire involving ________ would be considered a Class A fire. rubber Which extinguishing agent is used to extinguish a Class A fire? water Class B fires involve: flammable or combustible liquids ________ is a class B fuel. alcohol What would be classified as a Class B fire? Fuel storage tank fire If a small diesel fuel spill catches on fire, the most effective extinguishing agent would be: carbon dioxide What is an example of a Class C fire? electrical fire What would be the safest action for an incipient fire in a circuit breaker box if the electricity cannot be turned off? use a Class C extinguisher What is an example of a Class D fuel? titanium Which type of extinguisher is designed for a fire involving magnesium? Class A foam What statement about Class D extinguisher ratings is accurate? instead of numerical rating, Class D extinguishers include application instructions on the face plate of the extinguisher A grease fire involving a deep fryer would be classified as: Class K Class K fires are extinguished using portable fire extinguishers or ________ systems. wet chemical Class K extinguishers convert fatty acids into a soapy film, which is know as the process of: saponification Portable extinguishers that use the smothering method to extinguish fire work by: excluding oxygen from the burning process When the cartridge seal is broken on a fire extinguisher with a pressure cartridge, the: expellant will enter the container and force the agent out of the nozzle The appropriate extinguisher to use for a small