1.

At the eye tip of a centrifugal impeller, blade velocity is 200 m/s while the uniform axial velocity at the inlet is 150 m/s. If the sonic velocity is 300 m/s, then the inlet Mach number of flow will be

A. 0.75
B. 0.66
C. 0.9
D. 0.83
Answer» E.


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