4. For an air-standard Otto cycle the temperature and pressure at the beginning of compression stroke are 310 K and 100 kPa respectively. The maximum temperature and pressure permitted are 3000 K and 7000 kPa respectively. Assuming air as an ideal gas with Cp = 1.005 kJ/kg K and Cy = 0.718 kJ/kg K, determine (a) The compression ratio (b) The thermal efficiency (c) The net work output from the engine.

4. For an air-standard Otto cycle the temperature and pressure at the beginning of compression stroke are 310 K and 100 kPa respectively. The maximum temperature and pressure permitted are 3000 K and 7000 kPa respectively. Assuming air as an ideal gas with Cp = 1.005 kJ/kg K and Cy = 0.718 kJ/kg K, determine (a) The compression ratio (b) The thermal efficiency (c) The net work output from the engine.

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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