Hydraulics & Fluid Mechanics Surface energy per unit area of a surface is numerically equal to force of cohesion surface tension force of adhesion atmospheric pressure force of cohesion surface tension force of adhesion atmospheric pressure 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 only when the fluid is frictionless 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 incompressible and has zero viscosity only when the fluid is frictionless 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 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The line of action of the buoyant force acts through the centriod of the displaced volume of fluid center of gravity of any submerged body center of the volume of floating body centroid of the volume of fluid vertically above the body centriod of the displaced volume of fluid center of gravity of any submerged body center of the volume of floating body centroid of the volume of fluid vertically above the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The difference of pressure between the inside and outside of a liquid drop is (b)p = T/r (a)p = Txr p = T/2r (d)p = 2T/r (b)p = T/r (a)p = Txr p = T/2r (d)p = 2T/r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The peoperty by virtue of which a liquid opposes relative motion between its different layers is called surface tension viscosity osmosis co-efficient of viscosity surface tension viscosity osmosis co-efficient of viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A ship whose hull length is 100 m is to travel at 10 m/sec. For dynamic similarity, at what velocity should a 1:25 model be towed through water ? 10 m/sec 2 m/sec 50 m/sec 25 m/sec 10 m/sec 2 m/sec 50 m/sec 25 m/sec ANSWER DOWNLOAD EXAMIANS APP