Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to atmospheric pressure force of cohesion force of adhesion surface tension atmospheric pressure force of cohesion force of adhesion surface tension ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The normal stress is same in all directions at a point in a fluid only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless only when the fluid is incompressible and has zero viscosity irrespective of the motion of one fluid layer relative to an adjacent layer When there is no motion of one fluid layer relative to an adjacent layer only when the fluid is frictionless ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 300 675 600 337.5 300 675 600 337.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The position of center of pressure on a plane surface immersed vertically in a static mass of fluid is None of these at the centroid of the submerged area always above the centroid of the area always below the centroid of the area None of these at the centroid of the submerged area always above the centroid of the area always below the centroid of the area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Two pipe systems are said to be equivalent when length and diameter are same in two systems friction factor and length are same in two systems length of pipe and discharge are same in two systems head loss and discharge are same in two systems length and diameter are same in two systems friction factor and length are same in two systems length of pipe and discharge are same in two systems head loss and discharge are same in two systems ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium a righting couple should be formed meta center should be above e.g. All of these center of buoyancy and e.g. must lie on same vertical plane a righting couple should be formed meta center should be above e.g. All of these center of buoyancy and e.g. must lie on same vertical plane ANSWER DOWNLOAD EXAMIANS APP