Podcast
Questions and Answers
The term ______ effect refers to the natural movement of air within a building.
The term ______ effect refers to the natural movement of air within a building.
stack
The stack effect becomes noticeable in buildings over ______ ft tall.
The stack effect becomes noticeable in buildings over ______ ft tall.
60
Warm air rising through stairwells and ______ shafts causes the stack effect.
Warm air rising through stairwells and ______ shafts causes the stack effect.
elevator
The normal stack effect can be a very strong force in very ______ buildings.
The normal stack effect can be a very strong force in very ______ buildings.
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Opening a window on an upper floor may allow ______ and gases to escape.
Opening a window on an upper floor may allow ______ and gases to escape.
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The phenomenon of smoke rising and spreading in buildings is referred to as ______.
The phenomenon of smoke rising and spreading in buildings is referred to as ______.
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Inverse or reverse stack effect occurs in _____ high rise buildings in ___ weather
Inverse or reverse stack effect occurs in _____ high rise buildings in ___ weather
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Effective ventilation at the top of the building's ventilation ______ is essential during high-rise fires.
Effective ventilation at the top of the building's ventilation ______ is essential during high-rise fires.
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The ______ Grand Hotel fire in 1980 highlighted the importance of top ventilation in saving lives during high-rise fires.
The ______ Grand Hotel fire in 1980 highlighted the importance of top ventilation in saving lives during high-rise fires.
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Smoke and thermal updrafts hinder evacuation during _____ rescue operations.
Smoke and thermal updrafts hinder evacuation during _____ rescue operations.
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You should send __ FFs to the top to vent vertical openings with SCBA and _____ tools.
You should send __ FFs to the top to vent vertical openings with SCBA and _____ tools.
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Opening hoistway doors during a fire may lead to issues such as zero visibility and risk of ______ down the shaft.
Opening hoistway doors during a fire may lead to issues such as zero visibility and risk of ______ down the shaft.
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The hoistway opening is limited to a small size, typically ______ sq ft.
The hoistway opening is limited to a small size, typically ______ sq ft.
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Smoke ______ may occur in sealed buildings when the smoke temperature is insufficient to rise to the top of the building.
Smoke ______ may occur in sealed buildings when the smoke temperature is insufficient to rise to the top of the building.
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The ______ effect causes smoke to move down.
The ______ effect causes smoke to move down.
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Venting the cooled smoke from the top of the building can be accomplished by positive pressure fans blowing up ______ shafts.
Venting the cooled smoke from the top of the building can be accomplished by positive pressure fans blowing up ______ shafts.
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The ______ or reverse stack effect can occur in air-conditioned high-rise buildings during hot weather.
The ______ or reverse stack effect can occur in air-conditioned high-rise buildings during hot weather.
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Set up fire lines (crowd control perimeters) at least _____ away in all directions
Set up fire lines (crowd control perimeters) at least _____ away in all directions
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A major _____ presence is needed to clear the buildings _____, surrounding streets and _____
A major _____ presence is needed to clear the buildings _____, surrounding streets and _____
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Once the lines are charged and operating, they should return to the apparatus cab and monitor engines ___ pressure, temp and so fourth
Once the lines are charged and operating, they should return to the apparatus cab and monitor engines ___ pressure, temp and so fourth
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Cover lines with _____ to protect them
Cover lines with _____ to protect them
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What is especially true of lower floor fires on cold days?
What is especially true of lower floor fires on cold days?
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A slogan to keep in mind is
A slogan to keep in mind is
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You can use ______ sensitive tape or ____ paper to apply to glass before breaking to pull it back into the building
You can use ______ sensitive tape or ____ paper to apply to glass before breaking to pull it back into the building
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Some buildings have a thin layer of ____ in their windows to act as sunscreen
Some buildings have a thin layer of ____ in their windows to act as sunscreen
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Gaining access to the ____ area is the ____ biggest problem in high rise fires
Gaining access to the ____ area is the ____ biggest problem in high rise fires
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The fire dept must look at elevator use as a necessary ____; something to be avoided where possible and used when necessary
The fire dept must look at elevator use as a necessary ____; something to be avoided where possible and used when necessary
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In buildings higher than ___ stories using the elevator becomes and absolute necessity
In buildings higher than ___ stories using the elevator becomes and absolute necessity
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An ____ is necessary if you want to keep your reflex time under 45-__ minutes
An ____ is necessary if you want to keep your reflex time under 45-__ minutes
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In a single story home reflex time may be as little as ____ minutes
In a single story home reflex time may be as little as ____ minutes
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Reflex time is the total time elsapsed from the ____ of the alarm until a ____ is flowing on the fire
Reflex time is the total time elsapsed from the ____ of the alarm until a ____ is flowing on the fire
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The _____ is an elevator terminal for separate banks of elevators
The _____ is an elevator terminal for separate banks of elevators
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A ____ shaft elevator would serve 16-29 bypassing 1-15 to serve the upper floors
A ____ shaft elevator would serve 16-29 bypassing 1-15 to serve the upper floors
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Sky lobbies are usually found on buildings more than ___ stories tall. They are a combination of express ____ shaft and ____ elevators with an elevator lobby on the ____ floors
Sky lobbies are usually found on buildings more than ___ stories tall. They are a combination of express ____ shaft and ____ elevators with an elevator lobby on the ____ floors
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At a sky lobby it is necessary to get off and switch from the ____ to a ____ car for other floors
At a sky lobby it is necessary to get off and switch from the ____ to a ____ car for other floors
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Two unusual phenomena that sometimes occur in high rises are the _______ of smoke below the top floors, and inverse (also called reverse) stack effect which causes smoke to move down
Two unusual phenomena that sometimes occur in high rises are the _______ of smoke below the top floors, and inverse (also called reverse) stack effect which causes smoke to move down
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