Vortex flow -Drag -Vortex shedding

Question

Match List-I with List-II and select the correct answer using the codes given below the lists:      

List-I

1. Singing of telephone wires
2. Velocity profile in a pipe is initially parabolic and then flattens
3. Formation of cyclones
4. Shape of rotameter tube

List-II

1. Vortex flow
2. Drag
3. Vortex shedding
4. Turbulence

Codes:

            A         B         C         D

(a)        3          1          4          2

(b)        2          1          4          3

(c)        3          4          1          2

(d)       2          4          1          3