Hydraulics and Fluid Mechanics in ME
In series-pipe problems

a trial solution is not necessary
the head loss is same through each pipe
the discharge through each pipe is added to obtain total discharge
the discharge is same through each pipe

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The overall efficiency of a reaction turbine is the ratio of

Power produced by the turbine to the energy actually supplied by the turbine
Work-done on the wheel to the energy (or head of water) actually supplied to the turbine
Actual work available at the turbine to the energy imparted to the wheel
None of these

ANSWER DOWNLOAD EXAMIANS APP