A turbine develops 10000 kW under a head of 25 metres at 135 r.p.m. Its specific speed is

A turbine develops 10000 kW under a head of 25 metres at 135 r.p.m. It

1.	A turbine develops 10000 kW under a head of 25 metres at 135 r.p.m. Its specific speed is
A.	245 r.p.m.
B.	215.5 r.p.m.
C.	175.4 r.p.m.
D.	275.4 r.p.m
Answer» B. 215.5 r.p.m.