IFSTA 7th Edition Chapter 4: Fire Dynamics Questions and Verified Answers IFSTA 2024
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Ifsta
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Ifsta
True or False: Oxidizers affect a fire because they are combustible - Correct False. Oxidizers are not combustible but will support or enhance combustion Physical science is the study of what two things? - Correct Matter and energy Oxidation - Correct A chemical reaction involving the combination o...
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. Oxidizers are not combustible but will support or enhance combustion
Physical science is the study of what two things? - Correct ✓✓Matter and energy
Oxidation - Correct ✓✓A chemical reaction involving the combination of an
oxidizer, such as oxygen in the air, with other materials.
Energy - Correct ✓✓The capacity to perform work
Work - Correct ✓✓This occurs when a force is applied to an object over a
distance or when a substance undergoes a chemical, biological, or physical change.
In the case of heat, work means increasing a substance's temperature
Potential Energy - Correct ✓✓The amount of energy that an object can release at
some point in the future. Stored energy
Heat of Combustion - Correct ✓✓The potential energy available for release in the
combustion process
Kinetic Energy - Correct ✓✓The energy that a moving object possesses
, What are the 7 types of energy? - Correct ✓✓Chemical
Thermal
Mechanical
Electrical
Light
Nuclear
Sound
How is energy measured in the International System of Units (SI)? - Correct
✓✓With joules
How many joules is required to change the temperature of 1 gram of water by 1
degree Celsius? - Correct ✓✓4.2J
In the customary system, the unit of measurement for heat is what? - Correct
✓✓The British Thermal Unit (Btu)
What is the British thermal unit? - Correct ✓✓The amount of heat required to
raise the temperature of 1 pound of water by 1 degree Fahrenheit
1 Btu equals how many joules? - Correct ✓✓1055 J
Exothermic Reactions - Correct ✓✓Reactions that emit energy as they occur
Endothermic Reactions - Correct ✓✓Reactions that absorb energy as they occur
What are the 3 elements to the Fire Triangle? - Correct ✓✓Fuel, Oxygen, Heat
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