Hydraulics and Fluid Mechanics in ME
In open channels, the specific energy is the

Total energy measured with respect to the datum passing through the bottom of the channel
Kinetic energy plotted above the free surface of water
Total energy measured above the horizontal datum
Total energy per unit discharge

ANSWER DOWNLOAD EXAMIANS APP

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

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

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
A hydraulic press is a device used

To lift larger load by the application of a comparatively much smaller force
To increase the intensity of pressure of water by means of energy available from a large quantity of water at a low pressure
To store pressure energy which may be supplied to a machine later on
All of these

ANSWER DOWNLOAD EXAMIANS APP