Two dynamically similar hydraulic turbines operate with same effective head. if their speed ratio n1/n2 2, what is their power ratio, w1/w2 = ? a)- 0.25 b)- 4 c)- 2 d)- 1

potential energy is directly proportional to height.

more height = more potential energy.

greatest increase in height = greatest increase in potential energy

where are the points with the greatest increase in height ?

has to be c-e or d-e .