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A Carnot engine operating between 600.15 K (327°C) and 300.15 K (27°C) supplies 90% of the...

A Carnot engine operating between 600.15 K (327°C) and 300.15 K (27°C) supplies 90% of the work generated to run a Carnot pump (refrigerator) operating between -263.15 K (-100C) and 298.15 K (250C). If the engine rejects 20 KJ/s to the heat-sink reservoir QC=-20KJ/s at 270C, determine the heat rejection QH of the refrigerator.

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