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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

Emissions

Taking into account cost, ease of operation, and ultimate disposal of residuals, what type of control device do you suggest for the following emissions? a. Dust particles with diameters between 5 and...
08:07 Thu 09th Jan 20202 answers, last by TonyV 08:26 Thu 09th Jan 2020
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Professy

What Was The Weight Of Dust On The Filter?

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?
08:04 Thu 09th 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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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

What Are Three Consumption Patterns Or Other Aspects Of Your Lifestyle That Directly Add Greenhouse Gases To The Atmosphere? Which, If Any, Of These Habits Would You Be Willing To Give Up To Help Slow Projected Climate Change?

What are three consumption patterns or other aspects of your lifestyle that directly add greenhouse gases to the atmosphere? Which, if any, of these habits would you be willing to give up to help slow...
07:36 Thu 09th Jan 20202 answers, last by woofgang 15:07 Thu 09th Jan 2020

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