A Steam Power Plant with an Efficiency of 65% of the Maximum

question 106

Multiple Choice

A steam power plant with an efficiency of 65% of the maximum thermodynamic efficiency operates between 250^oC and 40^oC. How much heat is rejected to the cold reservoir in doing 1.0 kJ of work?

• A) 3.8 kJ
• B) 0.83 kJ
• C) 2.8 kJ
• D) 1.8 kJ
• E) 0.67 kJ

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