# Gate ME-2012 Question Paper With Solutions

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