An engine working on Otto cycle consumes 8 litres of fuel per hour and – McqOptions

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1.	An engine working on Otto cycle consumes 8 litres of fuel per hour and develops 25 kW. The specific gravity of fuel is 0.75 and its calorific value is 44000 kJ/kg. The indicated thermal efficiency of the engine is:
A.	54.5%
B.	24.2%
C.	34.1%
D.	28.4%
Answer» D. 28.4%

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