Recent content by mado134

thanks for quick reply sure i knw that but my question is : wt i wrote is right or wrong ?? bcse i got diff units and no more details

A heat Engine receives 6 kg/h gasoline which has a calorific value of 42000 kj/kg. If heat rejected from the engine is 40 kw, calculate a- the power done by the engine b- the engine effiecincy -this wt i got today in my exam and unfortuntely i didnt study it well but i did the following ...