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  3. a bio-reactor is kept at 45°c on a day where th

A bio-reactor is kept at 45°C on a day where the outside is 20°C. It is...

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Mechanical Engineering

  1. A bio-reactor is kept at 45°C on a day where the outside is20°C. It is estimated that the bio-reactor loses 12 kW to theambient. Waste heat at 450 K from an engine is used to deliver theheat to the bio-reactor. Find the destruction of exergy and whereit is made.


  2. The condenser in a power plant cools 10 kg/s water at 10 kPa,quality 90%, so it comes out as saturated liquid at 10 kPa. Thecooling is done by ocean water coming in at ambient 15°C andreturned to the ocean at 20°C. Find the second-law efficiency ofthe condenser.

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