A heat engine is found to have an efficiency of 0.620. The engine performs 300 J of work per cycle.
How much is the engine heated per cycle?
How much heat is rejected by the engine per cycle?
A Carnot engine operates in a Carnot cycle between a heat source at a temperature of and a heat sink at a temperature of . What is the efficiency of the Carnot engine?
A heat engine outputs 0.30 MW of power when it is heated at a rate of 0.50 MW. The engine’s hot and cold reservoir temperatures are and respectively. Calculate the second-law efficiency of the heat engine.