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Q 1/23
Score 0
List the three legs of the fire triangle.
30
free radicals, density, miscible
molecules, pyrolysis, solid
fuel, oxidizer, energy
chemical chain reaction, oxidizer, smoke density
Q 2/23
Score 0
Fire is defined as what?
30
molecules
self-sustaining
moisture content
Burning
23 questions
Q.
List the three legs of the fire triangle.
1
30 sec
Q.
Fire is defined as what?
2
30 sec
Q.
Moisture content is the amount of moisture contained in fuel.
3
30 sec
Q.
The vapor density of air has a value of what?
4
30 sec
Q.
Gasoline has a specific gravity value that is heavier than water.
5
30 sec
Q.
A vapor that is said to be below its lower flammable limit is said to be what?
6
30 sec
Q.
Gases will always fill the container in which they are stored.
7
30 sec
Q.
Once a vapor warms up, it disappears from view but may still be lingering in the area.
8
30 sec
Q.
Heat is a form on energy.
9
30 sec
Q.
Radiation is a form of heat transfer by wavelengths.
10
30 sec
Q.
The coldest possible temperature at which all molecular motion ceases.
11
30 sec
Q.
Mixture is a substance made up of one substance physically mixed together.
12
30 sec
Q.
All liquids have a vapor pressure, which is the pressure exerted by molecules.
13
30 sec
Q.
Volatility is the ease in which a fuel retains vapors at ambient temperatures.
14
30 sec
Q.
This is the minimum temperature of a liquid at which it gives off vapors to form an ignitable mixture with air, but the ignition will not be sustained.
15
30 sec
Q.
Liquids that have a flash point below 100 degrees F is know as what?
16
30 sec
Q.
Liquids that have a flash point above 100 degrees F is known as what?
17
30 sec
Q.
The proportion of gas between the upper and lower flammable limits is know as?
18
30 sec
Q.
Fire lapping onto a porch structure from openings is known a method of heat transfer.
19
30 sec
Q.
Energized electrical is in what classification of fire?
20
30 sec
Q.
The symbol for a Class A fire is what color and what shape?
21
30 sec
Q.
It is not uncommon for more than one class of fire to be involved in an incident.
22
30 sec
Q.
The fire tetrahedron adds what element to the fire triangle?