GATE XE (Engineering Sciences) 2014 - Question 77

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Section: Thermodynamics | Marks: 2

A reversible heat engine (E) operates using three thermal reservoirs with temperatures as shown in the following figure. If Q1=Q2, the efficiency of the engine is ___________.

Figure for question 77, GATE XE (Engineering Sciences) 2014

  • A. 0.25
  • B. 0.125
  • C. 0.625
  • D. 0.75

Answer: C. 0.625

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