A spark ignition engine that operates on Otto cycle has a compression ratio of 10. At the beginning of the compression process, air is at 100 kPa and 25 C. 750 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Consider the variation of specific heats with temperature. Task 1 (a) Describe with the aid of diagrams the operational sequence of four stroke spark ignition engines (b) Explain the mechanical efficiency for ideal otto cycle of two and four stroke engines (ci What is the difference between four and two stroke engines?

A spark ignition engine that operates on Otto cycle has a compression ratio of 10. At the beginning of the compression process, air is at 100 kPa and 25 C. 750 kJ/kg of heat is transferred to air during the constant-volume heat-addition process. Consider the variation of specific heats with temperature. Task 1 (a) Describe with the aid of diagrams the operational sequence of four stroke spark ignition engines (b) Explain the mechanical efficiency for ideal otto cycle of two and four stroke engines (ci What is the difference between four and two stroke engines?

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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