Hydraulics and Fluid Mechanics in ME
The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger)

(p/W) × (a/A)
(W/p) × (A/a)
(p/W) × (A/a)
(W/p) × (a/A)

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
The total energy of a liquid particle in motion is equal to

Potential energy - (pressure energy + kinetic energy
Kinetic energy - (pressure energy + potential energy)
Pressure energy + kinetic energy + potential energy
Pressure energy - (kinetic energy + potential energy)

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