ISRO Mechanical & Aerospace 2012 - Question 60

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Ideal engine absorbs heat at 127 C and rejects at 77 C. Efficiency is

  • A. 13%
  • B. 39%
  • C. 50%
  • D. 40%

Answer: A. 13%

Explanation: 1 - 350/400 = 1/8 = 12.5%.

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