Q. 53 Consider the following statements regarding streamline(s):
(i) It is a continuous lines such that the tangent at any point on it shows the
velocity vector at the point.
(ii) There is no flow across streamlines
(iii) 
is the differential equation of a streamline, where u, v and w
velocities in directions x , y and z , respectively.
(iv) In an unsteady flow, the path of a particle is a streamline
Which one of the following combinations of the statements is true ?
(A) (i), (ii), (iv)
(B) (ii), (iii), (iv)
(C) (i), (iii), (iv)
(D) (i), (ii), (iii)
Answer: (D)
Explanation:
