IFSTA 7 - Chapter 6 - Portable Fire Extinguishers Exam Questions And Answers

IFSTA 7 - Chapter 6 - Portable Fire Extinguishers Exam Questions And Answers Which material is a Class A combustible material? Select one: a.Electrical equipment b.Wood c.Gasoline d.Vegetable - answerb. Wood Which method of fire extinguishment forms an oxygen-excluding soapy foam over the surface of the burning material? Select one: a.Cooling b.Saponification c.Smothering d.Chemical flame inhibition - answerb. Saponification When in position to attack the fire, what is the first step that should be taken when using a portable fire extinguisher? Select one: a.Sweep the nozzle back and forth to cover the material. b.Aim the nozzle at the base of the fire. c.Squeeze the handles to test the extinguisher and release the agent. d.Pull the pin and break the wire or seal. - answerd. Pull the pin and break the wire or seal. Every portable fire extinguisher must be labeled with: Select one: a.a placard that details the hazardous chemical contained within. rs and/or symbols that identify the type of fire for which it is intended. c.a color-coded label identifying the extinguishing agent contained within. d.a printed label identifying the purchasing department and purchase date. - answerb. letters and/or symbols that identify the type of fire for which it is intended. After selecting the appropriate extinguisher to use on a fire, the firefighter should: Select one: the nozzle at the base of the fire. lly inspect the extinguisher. ed immediately to the fire and stand by. ze the handles and release the agent on the fire. - answerb. visually inspect the extinguisher. What types of materials do Class B fires involve? Select one: a.Wood and paper b.Combustible liquids and gases c.Cooking oils d.Energized electrical equipment - answerb. Combustible liquids and gases A Class D fire should be extinguished using a: Select one: powder extinguisher. chemical extinguisher. agent extinguisher. n dioxide extinguisher. - answera. dry powder extinguisher. Where is a Class K fire likely to be found? Select one: a.Computer storage facility b.Vehicle accident c.Restaurant d.Lumberyard - answerc. Restaurant An empty portable fire extinguisher should be: Select one: on its side. inside the apparatus cab. to the manufacturer to be refilled. d upright next to the full extinguishers. - answera. laid on its side. Class C fires involve: Select one: stible liquids and gases. ar combustibles such as wood. stible metals. ized electrical equipment. - answerd. energized electrical equipment. Which is a Class D combustible material? Select one: a.Sodium b.Vegetable oil c.Plastic d.Alcohol - answera. Sodium Which statement about using a portable fire extinguisher is accurate? Select one: a.Pressing the extinguisher handles three times will stop the flow of the agent. b.Portable fire extinguishers should be used in place of a hose line on all incipient fires. c.The extinguisher operator should stand as close to the burning material as possible. d.Wind can limit the reach of the extinguishing agent after it is expelled. - answerd. Wind can limit the reach of the extinguishing agent after it is expelled. Which factor should be considered when selecting the appropriate type of extinguisher to use on a given fire? Select one: a.Classification of the burning fuel b.Age of the extinguisher c.PPE available to the operator d.Time of day - answera. Classification of the burning fuel In a(an) _____ extinguisher, compressed air or inert gas within the container forces the agent out of the extinguisher nozzle when the operator presses the handle. Select one: l pump d-pressure atic pump ure cartridge - answerb. stored-pressure Which type of extinguisher is intended to be used on a Class B fire? Select one: a.Aqueous film forming foam extinguisher b.Pump-type water extinguisher c.Stored-pressure wet chemical extinguisher d.Stored-pressure water-mist extinguisher - answera. Aqueous film forming foam extinguisher A _____ extinguisher requires the operator to apply pressure to a pump that increases pressure within the container and forces the agent out the nozzle. Select one: l cartridge ure cartridge d pressure