Fire dynamics Study guides, Class notes & Summaries

IFSTA Chapter 4 - Fire Dynamics Test What is the cause of most fire deaths? Select one: a. Exposure to extreme heat and/or contact with flames and hot surfaces b. Injuries caused by falling materials or structural collapse c. Exposure to toxic gases found in smoke and/or lack of oxygen d. Accidental injuries sustained during escape and/or evacuation procedures - correct answer c. Exposure to toxic gases found in smoke and/or lack of oxygen In most compartment fires, the energy release i...

Fires involve a heat-producing chemical reaction between fuel and: (117) [4.3.11] A. a catalyst. B. an oxidizer. C. free radicals. D. a reducing agent. - correct answer B. an oxidizer. When a substance changes from one type of matter into another, such as two or more substances combining to form compounds, the substance undergoes a: (118) [4.3.11] A. dissolution. B. metamorphosis. C. chemical reaction. D. physiological change. - correct answer C. chemical reaction. Which state...

Which of the following BEST describes how understanding the physical science of fire can help firefighters? A.It keeps radiant heat from igniting fuel. B.It keeps flaming combustion from beginning. C.It translates into practical knowledge of fire behavior. D.It helps in stopping rapid fire behavior from developing. correct answers C p.208 Which of the following terms refers to a substance remaining chemically the same, but changing in size, shape or appearance? A.Chemical shift B.Physi...

IFSTA 7 - Chapter 4 - Fire Dynamics Exam Questions And Answers 100% Solved If there are no openings for lateral movement during the growth stage of a fire, the hot gases released during combustion will fill the compartment: swirling radiant current. ing at the ceiling and filling down. rmly as the room pressure equalizes. d and downward from the neutral plane. - answerb. starting at the ceiling and filling down. Which stage of fire occurs when all combustible materials in the compartme...

IFSTA 7th Edition Chapter 4: Fire Dynamics Questions and Verified Answers IFSTA 7th Edition Chapter 4: Fire Dynamics Questions and Verified Answers True or False: Oxidizers affect a fire because they are combustible - Correct False.

A company officer directly oversees the application of the agency's ____ to the resolution of issues faced by the agency. - Answer- personnel, training, equipment, and apparatus In the role of a supervisor, a company officer must balance: - Answer- acceptable risk while fulfilling objectives. Which of the following BEST describes to whom company officers have a responsibility when administering all policies and procedures? - Answer- The organization Successful company officers choose t...

Fires involve a heat-producing chemical reaction between fuel and: (117) [4.3.11] A. a catalyst. B. an oxidizer. C. free radicals. D. a reducing agent. - Correct B. an oxidizer When a substance changes from one type of matter into another, such as two or more substances combining to form compounds, the substance undergoes a: (118) [4.3.11] A. dissolution. B. metamorphosis. C. chemical reaction. D. physiological change. - Correct C. chemical reaction Which statement about energy and c...

A structure's fuel load is made up of: A. The amount of extinguishing agent required to put out the fire in the structure B. All combustible materials inside, including any flammable construction materials C. The structure's furnishings, but not the construction materials used to build the structure D. Any combustible material within the incident perimeter, including any exposure buildings - Answer-B. All combustible materials inside, including any flammable construction materials Chapte...

IFSTA 7th Edition, Chapter 4 Fire Dynamics Exam Questions Correctly Answered 2024. Fires involve a heat-producing chemical reaction between fuel and: (117) [4.3.11] A. a catalyst. B. an oxidizer. C. free radicals. D. a reducing agent. - correct answer B. an oxidizer. When a substance changes from one type of matter into another, such as two or more substances combining to form compounds, the substance undergoes a: (118) [4.3.11] A. dissolution. B. metamorphosis. C. chemical react...

IFSTA 7 - Chapter 4 - Fire DynamicsIf there are no openings for lateral movement during the growth stage of a fire, the hot gases released during combustion will fill the compartment: swirling radiant current. ing at the ceiling and filling down. rmly as the room pressure equalizes. d and downward from the neutral plane. - correct answer b. starting at the ceiling and filling down. Which stage of fire occurs when all combustible materials in the compartment are burning at their peak heat...