A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be

A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r

1.	A single stage impulse turbine with a diameter of 1.2 m runs at 3000 r.p.m. If the blade speed ratio is 0.42, then the inlet velocity of steam will be
A.	79 m/s
B.	450 m/s
C.	900 m/s
D.	188 m/s
Answer» C. 900 m/s