Answer: K = C + 273.
- A K = C + 100
- B K = C + 273
- C K = C - 273
- D K = 9C/5 + 32
Correct answer: B. K = C + 273
Explanation: T(K) = T(C) + 273.15. For most purposes T(K) = T(C) + 273.
The Carnot cycle alternates two isothermal steps (heat absorbed at TH, released at TC) with two adiabatic steps (no heat exchange); the enclosed loop area equals the net work output, and η = 1−TC/TH is the maximum possible efficiency between those two temperatures.
Concept context
Laws of thermodynamics, heat engines, entropy, and gas processes.