IFSTA CHAPTER 3

Question 1

How are modes of combustion differentiated?

Answer 1

Based on where the reaction is occurring

Question 2

The capacity to perform work is known as:

Answer 2

Energy

Question 3

What is the form of chemical heat energy that occurs when a material increases in temperature without the addition of external heat?

Answer 3

Self-heating

Question 4

What is the transfer of heat energy from a fluid to a solid?

Answer 4

Convection

Question 5

What is the reduceing agent?

Answer 5

The fuel

Question 6

What is a material that absorbs heat but does not participate actively in the combustion reaction?

Answer 6

Passive agent

Question 7

What is the temperature at which a liquid gives off sufficient vapors to ignite, but no sustain combustion?

Answer 7

Flash point

Question 8

What is the temperate at which a liquid fuel produces sufficient vapors to support combustion?

Answer 8

Fire point

Question 9

Materials that will mix in any proportion in water are said to be:

Answer 9

Miscible

Question 10

What is the total amount of energy released when a specific amount of a given fuel is oxidized?

Answer 10

Heat of combustion

Question 11

What is a colorless liquid with a pungent choking odor, and is irritating to the mucous membranes?

Answer 11

Acetaldehyde

Question 12

What is Mushrooming in scientific terms is called?

Answer 12

Ceiling jet

Question 13

What is another name for thermal layering?

Answer 13

Heat stratification

Question 14

What are the most fundamental fuel characteristics influencing fire development in a compartment.

Answer 14

Mass & Surface area

Question 15

What is the most commom method of fire control?

Answer 15

Cooling with water

Question 16

When a fire can no longer grow because of a lack of oxygen it is said to be:

Answer 16

Ventilation controlled

Question 17

When a fire burns out due to lack of fuel it is said to be:

Answer 17

Fuel controlled