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Professy

A Hi-Vol Sampler Draws Air At An Average Rate Of 70 Ft3/min.

A hi-vol sampler draws air at an average rate of 70 ft3/min. If the measured particle concentration is 200 ~g/m3 and the hi-vol was operated for 12 hours, what was the weight of dust on the filter?
08:22 Thu 09th Jan 202015 answers, last by KARL 09:49 Thu 09th Jan 2020
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Professy

Flex-Time

Washington, DC, offices and industries have introduced "flex-time" in an effort to mitigate traffic jams and air pollution. Flex-time allows the 8-hour workday to begin as early as 7 A.M. and last as...
07:51 Thu 09th Jan 20203 answers, last by fiction-factory 07:09 Thu 30th Jan 2020
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Professy

Plot The Ambient Lapse Rate

Plot the ambient lapse rate given the following temperature sounding: What type of plume would you expect if the exit temperature of the plume at the stack were 15°C and the smokestack were 40 m...
07:52 Thu 09th Jan 20202 answers, last by Professy 08:06 Thu 09th Jan 2020

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