In an attempt to conserve water and to be awarded LEED (Leadership in Energy and Environmental  Design) certification, a 20,000-liter cistern has been installed during construction of a new building.  The cistern collects water from an HVAC (heating, ventilation, and air-conditioning) system designed  to provide 2830 cubic meters of air per minute at 22°C and 50% relative humidity after converting it  from ambient conditions (31°C, 70% relative humidity). The collected condensate serves as the source  of water for lawn maintenance. Estimate (a) the rate of intake of air at ambient conditions in cubic feet  per minute and (b) the hours of operation required to fill the cistern.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
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In an attempt to conserve water and to be awarded LEED (Leadership in Energy and Environmental  Design) certification, a 20,000-liter cistern has been installed during construction of a new building.  The cistern collects water from an HVAC (heating, ventilation, and air-conditioning) system designed  to provide 2830 cubic meters of air per minute at 22°C and 50% relative humidity after converting it  from ambient conditions (31°C, 70% relative humidity). The collected condensate serves as the source  of water for lawn maintenance. Estimate (a) the rate of intake of air at ambient conditions in cubic feet  per minute and (b) the hours of operation required to fill the cistern. 

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