S&t Flashcards
Calcium hypochlorite use.
Chlorine for pools.
P. 11
Chlorine use
Water purification
P. 11
Ammonium nitrate use
Fertilizer
P. 11
Hydrogen peroxide use.
Industry bleaching pulp and paper manufacturing
P. 11
Methyl ethyl ketone peroxide’s use.
Plastics
P. 11
A rapid oxidation process which is a gas phase chemical reaction resulting in the evolution of light and heat in varying intensities.
Fire
P. 11
______,______,______ energy are common sources of heat that results in the ignition of a fuel.
Chemical, electrical, mechanical
P 23
The transfer of heat from one point or object to another is part of the study of __________.
Thermodynamics
P. 26
The best commercial _______ used in building construction are those made of fine particles or fibers with void spaces between them filled with a gas such as air.
Insulators
P. 27
Human skin is destroyed at what temp.
Post flashover temp
Charting of modern protective clothing
162
572
P. 30
Peak HHR of Christmas tree and polyurethane sofa
3000-5000
3120
P. 31
One watt is ____ joule per second.
One
P. 32
Degree to which a solid liquid or gas dissolves in a solution
Solubility
P. 35
Materials that are capable of being mixed in all proportions
Miscible
P35
Gas:
Specific gravity
Flash point
Auto temp
.72
-36
853
P. 35
Diesel
Specific gravity
Flash point
Auto temp
<1
125
410
Ethanol
Specific gravity
Flash point
Auto temp
.78
55
689
Methanol
Specific gravity
Flash point
Auto temp
.79
52
867
Flammable range for Methane Propane Carbon monoxide Gas Diesel Ethanol Methanol
5-15 2.1-9.5 12-75 1.4-7.4 1.3-6 3.3-19 6-35.5
P. 39
During flashover the volume of burning gases can increase from approximately 1/4 to ______ of the rooms upper volume to fill the rooms entire volume and extend out of
Any openings from the room.
1/2
P. 51
The orientation of the fuel as well as their ___________ will also influence the rate and intensity of fire spread.
Surface to mass ratio
P. 66
Generally if the length of the lay line would require more than one engines supply line this would be considered an _________ length supply line.
Extended
P. 99
Of all the types of factory built homes __________ homes are the most common.
Manufactured.
P. 110
Panelized homes individual panels are ____ to ___ ft wide. Wafer board the same size.
8-40 ft
P. 110
Type _____ construction is the least likely to collapse.
4
P. 119
________ Fire refers to dense black smoke that is ready to ignite possibly at the vent point.
Black
P. 174
The movement of smoke can be described in terms of _____ and ______.
Speed and direction
The two make velocity
P. 176
While crazing indicates high interior temperatures this is an indicator mostly seen on ________ pane windows.
Single
P. 178
Hotels motels and guest accommodation are likely to be occupied by _______ residents.
Transient
P. 193
Institutional occupancy may be classified as either ____________ or ________.
Ambulatory or non ambulatory.
P. 196
Sounding the apparatus horn several times in ________ manner can be an effective retreat signal.
Uniform
P. 216
If no preincident plan exists or the situation is unique assign units based on the IC ___________ needs to meet the strategic goals.
Tactical.
P. 221
Three command options available:
Investigation
Fast attack or mobile
Stationary
P. 219
The personnel required for search and rescue and firefighting is high rise buildings is often ____ to _____ greater.
4-6x
P. 269
The most important aspect of tactical ventilation in high rise buildings is the ability to confine the fire to its compartment or floor of origin. This task is accomplished through ______________.
Door control.
P. 271
Thermal conductivity of copper
386
P. 27
Thermal conductivity of steel.
36-54
P. 27
Thermal conductivity of air.
.03
P. 27
Movement of a liquid or gas at a high rate of speed and no define pattern to the movement of the particles.
Turbulent flow
P. 178
Movement of a liquid or gas at a low rate of speed and in a low predictable direction.
Laminar flow.
P. 178
Heat pushed smoke is characterized by its speed and direction which can be described as a _________ flow or a _______ flow.
Turbulent or laminar
P. 178
Chemical reaction between two or more materials that changes the materials and produces heat
Exothermic reaction.
P. 14
A rapid intake of fresh air can be a indicator of a fire reaching _________ conditions.
Flashover.
P. 177
A sudden and total rush of fresh air into a compartment can indicate that a _______ condition is immediate.
Backdraft
P. 177
Bouncing the stream off the ceiling creates a _________ effect in which the water cools the gas layers exposed surfaces and fuels.
Sprinkler
P. 244
