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. A Carnot engine has a piston displacement volume of 7.5 liters. The volume at the...

. A Carnot engine has a piston displacement volume of 7.5 liters. The volume at the beginning of heat addition is 1.0 liters, the pressure is 2000 kPa, and the temperature is 900 K. The heat added is 2.2 kJ and the substance is air. Determine the low temperature, TC and the thermal efficiency. 593.3 K    0.34

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