Correct Answer : Option (B) : Power plants
Explanation : The second law of thermodynamics applies to all refrigerators, deep freezers, industrial refrigeration systems, all forms of air-conditioning systems, heat pumps, and so on. Thermodynamic cycles govern the operation of all forms of air and gas compressors, blowers, and fans. The study of the feasibility of employing various forms of renewable energy sources for household and commercial purposes is an important topic area of thermodynamics.
