FF1 Chapter 6 Questions and Answers 100% Correct

FF1 Chapter 6 Questions and Answers 100% Correct Portable fire extinguishers are classified according to the: - Correct Answer ️️ -type of fire they are designed to extinguish. A portable fire extinguisher must be labeled with the - Correct Answer ️️ -letters and/or symbols that designate its class rating. How would a fire containing plastics be classified? - Correct Answer ️️ -Class A Class A portable fire extinguishers are rated from 1-A through 40-A based upon the amount of water and: - Correct Answer ️️ -duration and range of discharge used in extinguishing test fires. Which material is a class B fuel - Correct Answer ️️ -gasoline Which type of extinguishing agent is used to extinguish a Class B fire? - Correct Answer ️️ -carbon dioxide Which statement about Class C fires is accurate A. Class C fires should be extinguished using a specialized wet chemical system B. Class C fires contain combustible metals and alloys such as titanium, lithium, or magnesium C. Once the electricity has been shut off to a Class C fire, it may be treated as a Class A or Class B fire D. Class C fires are rated from 1-C through 40-C and can be extinguished using a Clas C extinguisher with the same rating - Correct Answer ️️ -Once the electricity has been shut off to a Class C fire, it may be treated as a Class A or Class B fire _____ is an example of a Class D fuel - Correct Answer ️️ -Magnesium Which extinguishing agent should be used for a Class D fire? - Correct Answer ️️ -Dry powder When an extinguishing agent is determined to be safe and effective for use on combustible metals, it will: - Correct Answer ️️ -include application instructions on the faceplate. Class K fires involve - Correct Answer ️️ -cooking oils Class K rates extinguishers work because of _____, which converts fatty acids into a soapy film - Correct Answer ️️ -Saponification Which method of extinguishment excludes oxygen from the burning process? - Correct Answer ️️ -smothering How does chemical flame inhibition work to extinguish fire - Correct Answer ️️ - Interrupts the chemical chain reaction in the burning process A ____ extinguisher requires the operator to apply pressure to a pump that increases pressure within the container and forces the agent out the nozzle - Correct Answer ️️ - Manual pump Pump-type water extinguishers are intended primarily for use on: - Correct Ans