7. If stage efficiency is S, blade efficiency is B and nozzle efficiency in N, then
A. S = B.N
B. BSN = 1
C. N = B.S
D. B = SN
7. If stage efficiency is S, blade efficiency is B and nozzle efficiency in N, then
A. S = B.N
B. BSN = 1
C. N = B.S
D. B = SN