The correct sequence of station numbers in the decreasing order of pressure is

Question

Water flow through a pipeline having four different diameters at 4 stations is shown in the figure below.

The correct sequence of station numbers in the decreasing order of pressure is

a) 3,1,4,2                     b) 1,3,2,4

c) 1,3,4,2                     d) 3,1,2,4