If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity
A. Vi = Vo
B. Vt > Vo
C. U < Vo
D. V = Uo
Answer: Option A
Solution (By Examveda Team)
If V, U and Vr represent the absolute velocity of fluid, velocity of blade, and relative velocity of fluid, and suffix ‘I’ and ‘o’ stand for entry and exit conditions, then in a rotary machine whose degree of reaction is unity Vi = VoThis Question Belongs to Mechanical Engineering >> Compressors, Gas Turbines And Jet Engines
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