What is the mean effective pressure?

Question

                                               

A spark ignition engine has a compression ratio of 8 and the volume before compression is 0.9 m³/kg. Net heat interaction per cycle is 1575 kJ/kg. What is the mean effective pressure? 

(A) 20kPa (B) 20bar (C) 2000 Pa (D) 2 bar                           

Answer 1

The effective pressure is the qualilty relating to the operation of a reciprocating engine and is a valuable measure of engines capacityto do work of engine displacement.The Mean Effective Pressure  is a theoretical parameter used to measure the performance of an internal combustion engine 

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