Essentials of Fire Fighting 7 - Chapter 4 Exam Questions with Correct Answers

Essentials of Fire Fighting 7 - Chapter 4 Exam Questions with Correct Answers A collapsed storage shed that is fully involved in flames would be an example of a: Select one: -developed fuel-limited fire. in the decay stage. -developed ventilation-limited fire. in the growth stage. - ANSWER--developed fuel-limited fire. .A compartment is any: Select one: , cell, chamber, vault, or cubicle within a building. sed space within a building. divided into separate areas. space with no complete fire barrier dividing it. - ANSWER- space with no complete fire barrier dividing it. .A fire is said to be in the _____ stage when it runs out of either available fuel or available oxygen. Select one: -developed ient h - ANSWER- .A fuel's chemical content influences its heat release rate and its: Select one: a. organic compounds b. heat of combustion. c. convective flow. d. physical attributes. - ANSWER-b. heat of combustion. .An extinguishing agent, such as dry chemical or Halon-replacement agent, terminates the combustion reaction by: Select one: ng the fuel below the ignition temperature. fering with the chemical chain reaction. ing with the fuel to create a fire-resistant layer. ng off the oxygen supply to the fuel. - ANSWER-fering with the chemical chain reaction. .By which mechanism of heat transfer does heat travel in a straight line at the speed of light, allowing heat to travel through vacuums and air spaces? Select one: a. Conduction b. Convection c. Reflection d. Radiation - ANSWER-d. Radiation .Combustion can occur within a range of concentration of fuel vapor and air; this range is referred to as the: Select one: pressure range. tion (combustion) range. ce to mass range. able (explosive) range. - ANSWER-able (explosive) range. .During the _____ stage of fire development, the three elements of the fire triangle come together and the combustion process begins. Select one: ient ver h - ANSWER-ient .Fire spreading from a wall to a nearby couch due to radiant heat transfer is an example of: Select one: conductivity. reflectivity. ction. ation. - ANSWER- reflectivity. .Firefighters working in the exhaust portion of the flow path will: Select one: the increase in temperature as the velocity and/or turbulence increases. a decrease in temperature as air is entrained by the fire. visibility improve as turbidity and airflow increase. waves of radiant heat emitting from the walls or ceiling. - ANSWER- the increase in temperature as the velocity and/or turbulence increases. .Fires develop through four stages: incipient, growth, _____, and decay. Select one: -developed nt ver lation-limited - ANSWER--developed .Fires involve a heat producing chemical reaction between fuel and: Select one: