thvutt8150 thvutt8150 18-03-2020 Engineering contestada he engine in Problem 3.8 produces 57kW of brake power at 2000 RPM. Calculate: (a) Torque. [N-M] (b) Mechanical efficiency. [%] (c) Break mean effective pressure. [kPa] (d) Break specific fuel consumption. [gm/kW-hr]