Podcast
Questions and Answers
Bunker boots: Protect the feet from cuts and abrasions from the top and from the ______.
Bunker boots: Protect the feet from cuts and abrasions from the top and from the ______.
bottom
Eye protection: Protects the wearer’s eyes from ______ matter.
Eye protection: Protects the wearer’s eyes from ______ matter.
foreign
Hearing Protection: Protects the ears from excessive ______.
Hearing Protection: Protects the ears from excessive ______.
noises
Respiratory Protection: Protects against heated gases as well as toxic and oxygen-deficient ______.
Respiratory Protection: Protects against heated gases as well as toxic and oxygen-deficient ______.
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Personal Alert Safety System (PASS): Built into a breathing apparatus or attached to a ______.
Personal Alert Safety System (PASS): Built into a breathing apparatus or attached to a ______.
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During an incident, rescuers may be exposed to biological, chemical, electrical, and ______ hazards.
During an incident, rescuers may be exposed to biological, chemical, electrical, and ______ hazards.
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In the burning process, the liberated particles may have an electrical ______ that either attracts or repels other particles.
In the burning process, the liberated particles may have an electrical ______ that either attracts or repels other particles.
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The area between vapour or gases and the visible flame is known as the flame ______.
The area between vapour or gases and the visible flame is known as the flame ______.
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Above the flame interface, oxygen molecules exist in sufficient number to produce energy reactions, resulting in the creation of light in the form of ______.
Above the flame interface, oxygen molecules exist in sufficient number to produce energy reactions, resulting in the creation of light in the form of ______.
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The area above the flame interface is fed by the oxygen drawn into the fire as air currents move into the void created by the rising heated vapours or ______.
The area above the flame interface is fed by the oxygen drawn into the fire as air currents move into the void created by the rising heated vapours or ______.
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During the burning process, the molecular structure of the material is broken down, and the released atoms combine with other radicals and elements to form new ______.
During the burning process, the molecular structure of the material is broken down, and the released atoms combine with other radicals and elements to form new ______.
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Most of the visible smoke consists of unburned carbon particles because carbon is one of the elements most difficult to ______.
Most of the visible smoke consists of unburned carbon particles because carbon is one of the elements most difficult to ______.
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Signs of flashover are: Dense black smoke Fire gases begin to fill the fire area Rollover is visible 10-11 Backdraft usually occurs during the decay phase when a fire is ________.
Signs of flashover are: Dense black smoke Fire gases begin to fill the fire area Rollover is visible 10-11 Backdraft usually occurs during the decay phase when a fire is ________.
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Backdraft occurs when there is insufficient ________ in the structure.
Backdraft occurs when there is insufficient ________ in the structure.
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Backdraft can lead to a very rapid burning of unburned gases, potentially causing an ________.
Backdraft can lead to a very rapid burning of unburned gases, potentially causing an ________.
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Impending backdraft can be identified by signs such as little or no visible ________.
Impending backdraft can be identified by signs such as little or no visible ________.
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Thermal layering is caused by ________ and is the tendency for gases to form into layers according to their temperatures.
Thermal layering is caused by ________ and is the tendency for gases to form into layers according to their temperatures.
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Thermal layering is disrupted when water is applied directly into the layer without proper ________.
Thermal layering is disrupted when water is applied directly into the layer without proper ________.
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Additional fuel is ignited and the fire grows in ______.
Additional fuel is ignited and the fire grows in ______.
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Flashover can occur spontaneously and rapidly with a release of dangerous amounts of heat and into the next phase of the ______.
Flashover can occur spontaneously and rapidly with a release of dangerous amounts of heat and into the next phase of the ______.
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During the fully developed phase, oxygen is consumed rapidly and the heat produced is at its ______.
During the fully developed phase, oxygen is consumed rapidly and the heat produced is at its ______.
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All combustible materials in the compartment are burning and producing large volumes of fire ______.
All combustible materials in the compartment are burning and producing large volumes of fire ______.
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In the decay phase, flame may cease to exist and the fuel and/or oxygen are nearly ______.
In the decay phase, flame may cease to exist and the fuel and/or oxygen are nearly ______.
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Rollover occurs when unburned combustible gases that were released during the ignition or growth phase of a fire accumulate at the ______.
Rollover occurs when unburned combustible gases that were released during the ignition or growth phase of a fire accumulate at the ______.
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Toxic Smoke (fire gases) is made up of the various gases produced during the combustion process. A few examples are carbon monoxide, hydrogen cyanide, and ______.
Toxic Smoke (fire gases) is made up of the various gases produced during the combustion process. A few examples are carbon monoxide, hydrogen cyanide, and ______.
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Fires are classified into five categories of fire based on important properties, such as the materials combusting and the means of extinguishment. Class “A” - Fires involve ordinary combustible materials, such as paper, wood, and ______.
Fires are classified into five categories of fire based on important properties, such as the materials combusting and the means of extinguishment. Class “A” - Fires involve ordinary combustible materials, such as paper, wood, and ______.
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Class “B” – Fires involve flammable liquids such as gasoline, kerosene, and ______.
Class “B” – Fires involve flammable liquids such as gasoline, kerosene, and ______.
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Extinguishing agents for Class “B” fires include carbon dioxide, dry chemical, and ______ that can interrupt the chemical chain reaction, exclude oxygen, and inhibit the release of combustible vapors.
Extinguishing agents for Class “B” fires include carbon dioxide, dry chemical, and ______ that can interrupt the chemical chain reaction, exclude oxygen, and inhibit the release of combustible vapors.
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Class “C” – Fires involve energized electrical equipment. A typical extinguishing agent is ______.
Class “C” – Fires involve energized electrical equipment. A typical extinguishing agent is ______.
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Class “D” - Fires involve combustible metals such as magnesium, potassium, lithium, titanium, and ______.
Class “D” - Fires involve combustible metals such as magnesium, potassium, lithium, titanium, and ______.
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