Froggy Jumps: Fire Dynamics and the Built Environment (technology - hs4 - 106 - 102 - fire behavior


Froggy Jumps Fire Dynamics and the Built EnvironmentVersión en línea Test your knowledge on fire dynamics and related terms. por 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

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

Fire Dynamics and the Built Environment

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