College Physics with MasteringPhysics 7th Edition by Jerry Wilson,Anthony Buffa,Bo Lou

تمرين 20

A four-stroke engine runs on the Otto cycle. It delivers 150 hp at 3600 rpm. (a) How many cycles are in 1 min (b) If the thermal efficiency of the engine is 20%, what is the heat input per minute (c) How much heat is wasted (per minute) to the environment