Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) σ cosα/4wd 4wd/σ cosα wd/4σ cosα 4σ cosα/wd σ cosα/4wd 4wd/σ cosα wd/4σ cosα 4σ cosα/wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The tendency of a liquid surface to contract is due to the following property cohesion viscosity adhesion surface tension cohesion viscosity adhesion surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A liquid would wet the solid, if adhesion forces as compared to cohesion forces are less more less at low temperature and more at high temperature equal less more less at low temperature and more at high temperature equal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A double overhung Pelton wheel has Two runners Four runners Two jets Four jets Two runners Four runners Two jets Four jets ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Newton’s law of viscosity relates shear stress and rate of angular deformation intensity of pressure and rate of angular deformation viscosity and rate of angular deformation shear stress, viscosity and temperature shear stress and rate of angular deformation intensity of pressure 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 absolute pressure is equal to Atmospheric pressure - gauge pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure Atmospheric pressure - gauge pressure Gauge pressure + atmospheric pressure Gauge pressure - atmospheric pressure Gauge pressure - vacuum pressure ANSWER DOWNLOAD EXAMIANS APP