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Fire Engineering Science - Research Paper Example

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Fire Engineering Science
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Download file to see previous pages Q2. In a fire experiment an 80W light bulb is used in an emergency exit sign and a light detector placed across the room registers 3W. The room is 3 m across and smoky hydrocarbon fire is used in the experiment. What is the visibility and what is the obscuration

Solution:
As per data given in this example:
Intensity of bulb = = 80 W
Intensity of light as received by the detector = I = 3 W
Distance between the bulb and light detector = length of room = L = 3 m
Obscuration = S =

S = 96.25
Optical Density of Smoke = D =

D =

D =
D = ...Download file to see next pagesRead More
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