A four cylinder two- stroke cycle engine with a swept volume of 750 cm3 per cylinder gives a specific fuel consumption of 0.25 kg KW-1 h-1. When developing a brake mean effective mean pressure 650 kPa at 1500 rpm. What is the brake thermal efficiency, if the calorific value is 40 MJ kg-1?

Internal Combustion Engine topics include: IC engine components and working, 2-stroke and 4-stroke engines working principles, comparision between diesel and petrol engine, heat engine types, engine power terminology, comparision between 4-stroke and 2-stroke engines.