Hydraulics and Fluid Mechanics in ME Mechanical efficiency of a centrifugal pump is the ratio of Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Energy available at the impeller to the energy supplied to the pump by the prime mover Manometric head to the energy supplied by the impeller per kN of water Actual work-done by the pump to the energy supplied to the pump by the prime mover Energy supplied to the pump to the energy available at the impeller Energy available at the impeller to the energy supplied to the pump by the prime mover ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The major loss of energy in long pipes is due to sudden contraction gradual contraction or enlargement sudden enlargement friction sudden contraction gradual contraction or enlargement sudden enlargement friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydraulic accumulator is used for Supplying large quantities of oil for very short duration Generally high pressures to operate hydraulic machines Accumulating oil Supplying energy when main supply fails Supplying large quantities of oil for very short duration Generally high pressures to operate hydraulic machines Accumulating oil Supplying energy when main supply fails ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton’s law of viscosity relates shear stress, viscosity and temperature viscosity and rate of angular deformation shear stress and rate of angular deformation intensity of pressure and rate of angular deformation shear stress, viscosity and temperature viscosity and rate of angular deformation shear stress and rate of angular deformation intensity of pressure and rate of angular deformation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) flv²/gd 4flv²/2gd flv²/2gd 3flv²/2gd flv²/gd 4flv²/2gd flv²/2gd 3flv²/2gd ANSWER DOWNLOAD EXAMIANS APP