A four-cylinder, four-stroke cycle, 2.8-liter, opposed-cylinder SI engine has brake mean effective pressure and mechanical efficiency as follows:                            Calculate: (a) Brake power...

A four-cylinder, four-stroke cycle, 2.8-liter, opposed-cylinder SI engine has brake mean effective pressure and mechanical efficiency as follows:

Calculate: (a) Brake power at 2000 RPM. [kW]

(b) Friction mean effective pressure at 2500 RPM. [kPa]

(c) Friction power lost at 2500 RPM. [kW]