1. A Carnot engine operates with 0.136 kg of air as the working substance. The pressure and volume at the beginning of isothermal expansion are 2.1 MPa and 9.6 liters. The air behaves as an ideal gas, the sink temperature is 50°C, and the heat added is 32 kJ. Determine (a) the source temperature; (b) the cycle efficiency; (c) the pressure at the end of isothermal expansion; and (d) the heat rejected to the sink per cycle.

1. A Carnot engine operates with 0.136 kg of air as the working substance. The pressure and volume at the beginning of isothermal expansion are 2.1 MPa and 9.6 liters. The air behaves as an ideal gas, the sink temperature is 50°C, and the heat added is 32 kJ. Determine (a) the source temperature; (b) the cycle efficiency; (c) the pressure at the end of isothermal expansion; and (d) the heat rejected to the sink per cycle.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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