Engineering, 13.09.2019 21:30, MariaIZweird7578

Afour cylinder four stroke petrol engine wastested and
following results were obtained.
petrol consumption: 5 kg/hour, speed: 750rpm, a/f
ratio: 11, temp. at the end of compression: 375oc,
pressure atthe end of compression stroke : 12 bar, relative
efficiency: 50%,diameter of cylinder: 85mm, stroke of piston:
120mm, calorificvalue of fuel: 42,000 kj/kg. find the indicated thermalefficiency and sfc based on
indicatedpower.

Answers: 1

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Afour cylinder four stroke petrol engine wastested and
following results were obtained.
...