Hydraulics and Fluid Mechanics in ME A centrifugal pump will start delivering liquid only when the pressure rise in the impeller is equal to the Kinetic head Manometric head Static head Velocity head Kinetic head Manometric head Static head Velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In one dimensional flow, the flow Takes place in curve Takes place in straight line Is steady and uniform Takes place in one direction Takes place in curve Takes place in straight line Is steady and uniform Takes place in one direction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow rate in gear pump More or less remains constant with increase in pressure Decreases with increase in pressure Increases with increase in pressure Unpredictable More or less remains constant with increase in pressure Decreases with increase in pressure Increases with increase in pressure Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton’s law of viscosity relates intensity of pressure and rate of angular deformation shear stress and rate of angular deformation viscosity and rate of angular deformation shear stress, viscosity and temperature intensity of pressure and rate of angular deformation shear stress and rate of angular deformation viscosity and rate of angular deformation shear stress, viscosity and temperature ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r³/4g π w ω² r²/2g π w ω² r²/4g π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/2g π w ω² r²/4g π w ω² r⁴/4g 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 + sin φ)/2 (1 + cos φ)/2 (1 - cos φ)/2 (1 - sin φ)/2 (1 + sin φ)/2 (1 + cos φ)/2 ANSWER DOWNLOAD EXAMIANS APP