engineering recuitment NCL Assistant Foreman (Trainee) Mock Test 2024 Fluid Mechanics Turbomachinery
The hydraulic efficiency of a Francis turbine is calculated using which of the following equation
(where Vw is the velocity of whirl at inlet ; u is the tangential velocity at the inlet: H is head and g is the acceleration due to gravity.)
1
Vwu / gH
2
VwH / gu
3
Vwu / 2gH
4
Vwu2 / gH