Q 17. The velocity triangles at the inlet and exit of the rotor of a turbomachine are
shown. V denotes the absolute velocity of the fluid, W denotes the relative
velocity of the fluid and U denotes the blade velocity. Subscripts 1 and 2 refer to
inlet and outlet respectively. If
then the degree of reaction
is
(A) 0
(B) 1
(C) 0.5
(D) 0.25
Answer: (C)
Explanation:
