A single-stage impulse turbine with a diameter of 120 cm runs at 3000 rpm. 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 120 cm runs at 3000

1.	A single-stage impulse turbine with a diameter of 120 cm runs at 3000 rpm. If the blade speed ratio is 0.42, then, the inlet velocity of steam will be
A.	79 m/s
B.	188 m/s
C.	450 m/s
D.	900 m/s
Answer» D. 900 m/s