Ch 2 Enhanced Fire Behavior

Question 1

Firefighters knowledge of fire behavior serves as a foundation for understanding the ____,___,And ___ ___ requires in firefighting operations.

Answer 1

Strategies, tactics, and specific task assignments

Question 2

Developing expertise in the application of this knowledge requires an understanding of the ____ and ___

Answer 2

Science of fire dynamics and practical fireground experience

Question 3

-an exothermic chemical reaction that is a self-sustaining process of rapid oxidation of a fuel that produces heat and light

Answer 3

Combustion

Question 4

Heat, fuel, and oxygen are all required for this ___ reaction to occur

Answer 4

Chemical

Question 5

_____ is a simple model that explains non flaming or surface combustion (smoldering)

Answer 5

Fire triangle

Question 6

Flaming combustion is more accurately explained using the model

Answer 6

Fire tetrahedron

Question 7

Heat is a form of energy and exists in two states

Answer 7

Potential and kinetic

Question 8

-stored energy possessed by an object that can be released in the future to perform work

Answer 8

Potential energy

Question 9

-the energy possessed by a moving object

Answer 9

Kinetic energy

Question 10

Energy is the capacity to perform

Answer 10

Work

Question 11

___ occurs and ____ is expended when a force is applied to an object over a distance

Answer 11

Work ,energy

Question 12

In the case of ___ work means increasing temperature, causing the average level of kinetic energy within a molecule of a substance to ____

Answer 12

Heat , increase

Question 13

___ are the unit of measure for heat energy

Answer 13

Joules

Question 14

While a joule is defined as being equal to ___ newton over a distance of one meter, in fire you should think of it as heat

Answer 14

One

Question 15

It takes ___ joules to raise the temp of one kilogram of water one degree C

Answer 15

4186 joules

Question 16

___BTU is the amount of heat required to raise the temperature of one pound of water one degree F

Answer 16

1 BTU

Question 17

1 BTU equals approximately __ joules

Answer 17

1100 joules

Question 18

___ is the energy component of the fire tetrahedron

Answer 18

Heat

Question 19

Applying additional heat causes ___ (the chemical decomposition of a substance through the action of heat) in solid fuels and ___ is liquid fuels

Pg.23

Answer 19

Pyrolysis

Vaporization

Question 20

There are two forms of ignition - ____ and ____

Answer 20

Piloted ignition and auto ignition

Question 21

Piloted ignition occurs when a mixture of fuel and oxygen encounters an ___ ___ with sufficient heat entertainment to start the ____ reaction.

Answer 21

Ignition source

Combustion

Question 22

The characteristics of the compartment in which a fire is burning can also affect the ___ ___ ___

Answer 22

Heat release rate

Question 23

In general there are two mechanisms that can induce flashover - ____ and ____

Answer 23

Radiation and ventilation

P.47