A Carnot engine has efficiency 25% and its cold reservoir is at 270 K. Its hot reservoir is at:

  1. 338 K
  2. 360 K
  3. 270 K
  4. 540 K
Answer

B) 360 K

1 - TCTH = 0.25 Rightarrow TH = 2700.75 = 360 K. SLO P-11-C-23 · Knowledge

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