Hydraulics & Fluid Mechanics The surface tension of mercury at normal temperature compared to that of water is more more or less depending on size of glass tube less same more more or less depending on size of glass tube less same 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 always above the centroid of the area None of these always below the centroid of the area at the centroid of the submerged area always above the centroid of the area None of these always below the centroid of the area at the centroid of the submerged area ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For measuring flow by a venturimeter, if should be installed in horizontal line inclined line with upward flow in any direction and in any location. vertical line horizontal line inclined line with upward flow in any direction and in any location. vertical line ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H1/2 H5/2 H3’2 H5’4 where H is head. H1/2 H5/2 H3’2 H5’4 where H is head. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium 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 a righting couple should be formed meta center should be above e.g. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics To avoid vaporisation in the pipe line, the pipe line over the ridge is laid such that it is not more than 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 10.0 m above the hydraulic gradient 6.4 m above the hydraulic gradient 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP