1. Two temperatures only
  2. Pressure of working fluid
  3. Mass of the working fluid
  4. Mass and pressure both of the working fluid
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1 Answers

Answer: Option 1

Efficiency of a Carnot engine is given as $$\left( {{T_1} > {T_2}} \right)\aleph = 1 - \frac{{{T_2}}}{{{T_1}}}$$ So, it s solely dependent on temperatures of the reservoirs.

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