In an impulse turbine, the axial force on the blades is zero if _____

1.	In an impulse turbine, the axial force on the blades is zero if _____
A.	the whirl components of the inlet and outlet absolute velocities are equal
B.	the flow components of the inlet and outlet absolute velocities are equal
C.	the exit velocity of steam is axial
D.	the flow and whirl component of inlet velocity are equal
Answer» C. the exit velocity of steam is axial

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In an impulse turbine, the axial force on the blades is zero if _____

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