GATE XE (Engineering Sciences) 2018 - Question 76

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Section: Thermodynamics | Marks: 2

An ideal Otto cycle (O) and an ideal diesel cycle (D) have the same maximum temperature and reject equal amount of heat. Also, the working fluid enters at the same state before compression. One of the following statements always true about their efficiencies (πœ‚) is

  • A. πœ‚O > πœ‚D
  • B. πœ‚O = πœ‚D
  • C. πœ‚O < πœ‚D
  • D. πœ‚O = 1 βˆ’πœ‚D

Answer: C. πœ‚O < πœ‚D

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