Question

A cyclic process ABCD is shown in the P-V diagram. Which of the following curves represents the same process if BC & DA are isothermal processes. 

Answer 1

Correct option (A, B)

Explanation:

 Process AB is isochoric: - i.e. P = constant

∴ V is a linear function of T with slope nR/P and passing through origin in V-T curve.

Secondly for process CD: P-T will be a linear curve passing through origin.