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Jouer Froggy Jumps
Imprimer Froggy Jumps
Fire Dynamics and the Built Environment
Author :
Suzanne Freeman
1.
What is the transfer of heat energy by the movement of heated liquids or gases from the source of heat to a cooler part of the environment?
A
Conduction
B
Radiation
C
Convection
2.
What is the temperature at 1 atm where the liquid's vapor pressure equals the atmospheric pressure?
A
Triple point
B
Flashpoint
C
Boiling point
3.
What is the transfer of heat energy from a hot surface to a cooler surface by electromagnetic waves without an intervening medium?
A
Radiation
B
Convection
C
Conduction
4.
What is a material that yields oxygen or other oxidizing gas, or that reacts to promote or initiate combustion of combustible materials?
A
Heat-release rate
B
Oxidizer
C
Heat of combustion
5.
What is the temperature at which a liquid emits adequate vapors that will ignite with a spark, but not sustain combustion?
A
Flashpoint
B
Boiling point
C
T2 fire
6.
What are the upper and lower concentration limits of a vapor or gas in air that can be ignited?
A
Flammable limits
B
Heat flux/transfer
C
Ceiling jet
7.
What is the rate at which a fuel burns and releases its energy?
A
Heat-release rate
B
Heat of combustion
C
Heat flux/transfer
8.
What is the total Btu (calorie) value that can be extracted from a fuel under perfect conditions?
A
Ceiling jet
B
Heat-release rate
C
Heat of combustion
9.
What is the condition where the underburned smoke and gases accumulated in the ceiling layer ignite?
A
Pyrolyzate
B
Flameover
C
Backdraft
10.
What is the temperature and pressure at which three phases (gas, liquid, and solid) of a substance may coexist in thermodynamic equilibrium?
A
Stack effect
B
Basic research
C
Triple point
11.
What is the process of heat transfer through direct contact between two objects?
A
Conduction
B
Radiation
C
Convection
12.
What is the rate at which heat energy is transferred through a surface?
A
Heat-release rate
B
Heat flux/transfer
C
Heat of combustion
13.
What is the scientific study aimed at expanding knowledge rather than solving practical problems?
A
Closed system
B
Basic research
C
Stack effect
14.
What is the rate at which heat is released during combustion?
A
Heat of combustion
B
Heat flux/transfer
C
Heat-release rate
15.
What is the layer of hot gases that forms near the ceiling in a fire?
A
Ceiling jet
B
Fire plume
C
Backdraft
16.
What is the transfer of heat through the movement of fluids, such as air or water?
A
Conduction
B
Radiation
C
Convection
17.
What is a substance that provides oxygen to support combustion?
A
Triple point
B
Oxidizer
C
Pyrolyzate
18.
What is the amount of heat energy released when a substance undergoes combustion?
A
Heat-release rate
B
Heat flux/transfer
C
Heat of combustion
19.
What is the transfer of heat through electromagnetic waves?
A
Conduction
B
Radiation
C
Convection
20.
What is the lowest concentration of a flammable substance in air that can ignite?
A
Stack effect
B
Triple point
C
Flammable limits
21.
What is the upward flow of air in a building due to temperature differences?
A
Backdraft
B
Stack effect
C
Ceiling jet
22.
What is the point at which a substance exists in all three states (solid, liquid, and gas) simultaneously?
A
Triple point
B
Pyrolyzate
C
Oxidizer
23.
What is the sudden ignition of flammable gases when oxygen is introduced?
A
Fire plume
B
Backdraft
C
Ceiling jet
24.
What is a vertical column of hot gases and smoke rising above a fire?
A
Fire plume
B
Backdraft
C
Ceiling jet
25.
What is a standardized curve used to predict the fire resistance of materials?
A
Boyle's Law
B
Cone calorimeter
C
Standard Time/Temperature Curve
26.
What is a device used to measure the heat release rate of a material exposed to fire?
A
Standard Time/Temperature Curve
B
Boyle's Law
C
Cone calorimeter
27.
What is the process of a solid material turning into gas without passing through the liquid phase?
A
Convection
B
Pyrolyzate
C
Radiation
28.
What is the pressure-volume relationship of a gas at constant temperature?
A
Convection
B
Conduction
C
Boyle's Law
29.
What is the movement of air caused by temperature differences?
A
Ceiling jet
B
Stack effect
C
Backdraft
30.
What is a system that does not exchange matter or energy with its surroundings?
A
Closed system
B
Standard Time/Temperature Curve
C
Basic research