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(Solved): External Problem 1: Total fmep graphical analysis Consider the following total fmep variation of a 4 ...



External Problem 1: Total fmep graphical analysis Consider the following total fmep variation of a 4-cylinders spark-ignition engine in function of the engine speed. a) Graphically, find the total fmeps corresponding to 2000,4000 and 6000 rpm . b) If the mechanical efficiency, defined as the ratio of the brake power to the indicated power, is equal to 0.88 at 5000 rpm , find at this rpm the brake mean effective pressure of the engine. c) Find the total fmep of the engine at 6500 rpm .



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