Hydraulics and Fluid Mechanics in ME The overall efficiency for a Pelton wheel lies between 0.65 to 0.75 0.50 to 0.65 0.85 to 0.90 0.75 to 0.85 0.65 to 0.75 0.50 to 0.65 0.85 to 0.90 0.75 to 0.85 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum hydraulic efficiency of an impulse turbine is (where φ = Angle of blade tip at outlet) (1 + cos φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 (1 - sin φ)/2 (1 - cos φ)/2 (1 + sin φ)/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power developed by a turbine is (where H = Head of water under which the turbine is working) Directly proportional to H1/2 Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H3/2 Directly proportional to H1/2 Inversely proportional to H1/2 Inversely proportional to H3/2 Directly proportional to H3/2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of the inertia force to the viscous force is called Froude's number Reynold's number Weber's number Euler's number Froude's number Reynold's number Weber's number Euler's number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Generally high pressures to operate hydraulic machines Supplying large quantities of oil for very short duration Accumulating oil Supplying energy when main supply fails Generally high pressures to operate hydraulic machines Supplying large quantities of oil for very short duration Accumulating oil Supplying energy when main supply fails ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The property by virtue of which a liquid opposes relative motion between its different layers is called Coefficient of viscosity Osmosis Surface tension Viscosity Coefficient of viscosity Osmosis Surface tension Viscosity ANSWER DOWNLOAD EXAMIANS APP