Chapter 1: Fire Dynamics Flashcards
A chemical process of oxidation, that happens at a fast enough rate where heat is produced and often times produces light as a flame or glow, best describes: (p.11)
A. Fire
B. Combustion
C. Heat of Combustion
D. Oxidation Reaction
B. Combustion
What is the common use for Calcium Hypochlorite, in a granular solid form? (p.11)
A. Water Purification
B. Catalyst in plastic manufacturing
C. Chlorination in a swimming pool
D. Dechlorination of water in a treatment plant
C. Chlorination in a swimming pool
All of the following are common oxidizers EXCEPT: (p.11)
A. Sodium thiosulfate
B. Chlorine (Gas)
C. Hydrogen Peroxide
D. Methyl Ethyl Ketone Peroxide
A. Sodium thiosulfate
All fires involve a heat-producing chemical reaction between: (p.11)
A. Combustible object and heat
B. Fuel and Oxidizer
C. Matter and thermal energy
D. Potential energy and heat
B. Fuel and Oxidizer
An oxidizer is best described as: (p.12)
A. Stored energy possessed by an object
B. A material that will maintain combustion under specific conditions
C. The measure of the average kinetic energy of the particles in a sample of matter
D. Any type of material that readily yields oxygen or readily reacts to promote or initiate combustion
D. Any type of material that readily yields oxygen or readily reacts to promote or initiate combustion
Which of the following depicts an example of a physical change? (p.12)
A. Water freezing
B. Ice Cracking
C. Water puddles growing in size
D. A metal rod that becomes bent
A. Water freezing
Energy is defined as: (p.12)
A. Unit of work measured in joules (J)
B. Capacity to perform work when force is applied
C. Chemical reaction in which a substance absorbs heat
D. Anything that occupies space and has mass
B. Capacity to perform work when force is applied
When fuel releases energy over time it depends on the following combination of variables: (p.13)
A. Potential energy, kinetic energy, fuel, and oxidation
B. Arrangement, chemical composition, density of fuel, availability of oxygen for combustion
C. Chemical composition, type of fuel, oxidation potential, and potential energy
D. Heat of combustion, temperature, various ventilation routes, overall thermal energy
B. Arrangement, chemical composition, density of fuel, availability of oxygen for combustion
An example of kinetic energy is: (p.13)
A. Stationary Hoses
B. Rust on a tool
C. An oxidation tank laying on its side
D. Drywall that is being heated
D. Drywall that is being heated
An example of potential energy is: (p.13)
A. Water being boiled
B. A pallet of wood that is actively burning
C. A pile of clothes
D. Gasoline flowing down a sidewalk
C. A pile of clothes
Which of the following examples are in the correct order as they relate to the timeline for oxidation? (p.13)
A. Rust, smoldering fire, methane burning, explosion
B. Explosion, rust, smoldering, fire, methane burning
C. Methane burning, smoldering fire, explosion, rust
D. Rust, smoldering fire, explosion, methane burning
A. Rust, smoldering fire, methane burning, explosion
All of the following are examples of energy EXCEPT: (p.14)
A. Chemical
B. Thermal
C. Light
D. Power
D. Power
Which of the following is an example of energy: (p.14)
A. Power
B. Work
C. Force
D. Sound
D. Sound
Which statement best describes an exothermic reaction? (p.14)
A. Chemical reaction in which a substance absorbs heat
B. Chemical reaction that produces heat
C. Chemical reaction requiring one type of flammable material
D. Chemical reaction in which fuel is needed
B. Chemical reaction that produces heat
Which statement best describes an endothermic reaction? (p.14)
A. Chemical reaction in which a substance absorbs heat
B. Chemical reaction requiring one type of flammable material
C. Chemical reaction that produces heat
D. Chemical reaction in which fuel is needed
A. Chemical reaction in which a substance absorbs heat
