An automobile cruises at 55 mph using a brake power of 20 kW. The engine, which is represented by Fig. 1, runs at a speed of 2000 RPM. Approximate: (a) Power lost in the exhaust flow. [kW] (b) Power...

An automobile cruises at 55 mph using a brake power of 20 kW. The engine, which is represented by Fig. 1, runs at a speed of 2000 RPM. Approximate:

(a) Power lost in the exhaust flow. [kW]

(b) Power lost to friction. [kW]

(c) Power dissipated in the coolant system. [kW]