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practice exam

B 3 points describe differences between these regions

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Unformatted text preview: s) In a desperate move to respond to the emergency, the mayor asks all households in the city (all 1 million of them) to keep their air conditioners (AC) on, so that particles are removed in AC filters. Assume each household ventilates at a rate of 5 m3/min and that AC filters remove all particles in the inlet air. Will the mayor’s plan be successful? How long will it take in this scenario for the concentration to drop to 35 µg/m3? 8 ­ a) (3...
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