Hydraulics and Fluid Mechanics in ME
The purpose of a surge tank is

To regulate flow of water to turbines by providing necessary retarding head of water
All of these
To eliminate water hammer possibilities
To control the pressure variations due to rapid changes in the pipe line flow

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The flow ratio of Francis turbine is defined as the ratio of the

Theoretical velocity of jet to the velocity of flow at inlet
Velocity of runner at inlet to the velocity of flow at inlet
None of these
Velocity of flow at inlet to the theoretical jet velocity

ANSWER DOWNLOAD EXAMIANS APP