Ch 18 IFSTA questions with correct answers

Which type of foam proportioner can compromise firefighter safety by slowing firefighters down since it requires the concentrate to be available where the nozzle is being operated? Select one: a. Compressed air foam system (CAFS) b. Apparatus-mounted proportioner c. Foam nozzle eductor d. In-line eductor - Answer Foam nozzle eductor The premixing method of foam proportioning is typically used with: Select one: a. fog nozzles attached to a large hoseline. b. a fixed fire protection system in a structure. c. in-line eductors. d. vehicle-mounted tank systems. - Answer vehicle-mounted tank systems. Which method of foam application is only suitable for use on a pool of liquid fuel on open ground? Select one: a. Roll-on method b. Spread-over method c. Bank-down method d. Rain-down method - Answer Roll-on method In order to prevent reignition of a liquid fuel fire after foam has been applied,