Helium at 660 K expands in a turbine to 369 K during which 84 kJ/kg of heat was lost to the surroundings which are at 27 °C. The pressure across the turbine was 6.0, What is the magnitude of entropy...

Helium at 660 K expands in a turbine to 369 K during which 84 kJ/kg of heat was lost to the surroundings which are at 27^oC. The pressure across the turbine was 6.0,

What is the magnitude of entropy generation (kJ/kg.K)?

Extracted text: Helium at 660 K expands in a turbine to 369 K during which 84 kJ/kg of heat was lost to the surroundings which are at 27 °C. The pressure across the turbine was 6.0, What is the magnitude of entropy generation (kJ/kg.K)? Select one: A. 1.069 X B. 1.185 C. 0.888 D. 1.130 E. 0.982