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NEST2020PhysicsThermodynamics

A heat engine uses one mole of ideal gas as its working substance which performs the following cyclic process, as shown in the figure below. Given P_C=2 P_A, V_C=2 V_A , select the correct statement(s).

Options

  1. AHeat released by the heat engine during one cycle is given by 11 2 P_A V_A .
  2. BThe efficiency of the heat engine is 15.4 % .
  3. CThe change in entropy of the gas during one cycle is zero.
  4. DThe minimum temperature occurs at D .

Correct answer

C. The change in entropy of the gas during one cycle is zero.

Step-by-step solution

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