Which change would increase a Carnot engine's efficiency the most?

  1. lowering the temperature of the cold reservoir
  2. using a bigger cylinder
  3. running it faster
  4. changing the gas
Answer

A) lowering the temperature of the cold reservoir

eta depends on TC/TH. SLO P-11-C-16 · Understanding

Physics MCQ · More Heat Engines, Second Law and Entropy MCQs · Practise