A cyclic process `ABCD` is shown is shown in the following `P-V` diagram. Which of the following curves represent the same process ?

Options

A.
B.
C.
D.

Answer

A

Explanation

AB: Isobaric process i.e., P: constant V is increasing hence, T is increasing.
P-T: A straight line parallel to T-axis
V-T: An inclined line passing through origin
BC: Isothermal process i.e., T: constant V is increasing hence, P is decreasing
P-T: A straight line parallel to P-axis
CD: Isochoric process i.e, V: constant P is decreasing hence, T is decreasing
P-T: An inclined passing through origin
V-T: A straight line parallel to T-axis
DA: Isothermal process i.e., T: constant V is decreasing hence, P is increasing
P-T: A straight line parallel to P-axis
V-T: A straight line parallel to V axis