Ch 20 IFSTA question n answers graded A+ 2023/2024

Ch 20 IFSTAWhich is the most obvious sign of fire cause? Select one: a. Extent of damage b. Occurrence of flashover c. Time between incipient and growth stages d. Competent ignition source - correct answer Competent ignition source An occupant stating that the room smelled like propane immediately before the fire started is an example of _____ evidence. Select one: a. circumstantial b. direct c. trace d. physical - correct answer direct At a fire scene, firefighters should NOT: Select one: a. keep a written record of on-scene observations. b. share their opinion of the probable fire cause with media or bystanders. c. ask permission from owners before removing evidence from the building. d. enter the scene during a fire investigation without a warrant,. - correct answer share their opinion of the probable fire cause with media or bystanders. How large should the perimeter outside a structure fire be? Select one: a. A minimum of 250 feet (75 m) in every direction from the building