Hydraulics & Fluid Mechanics At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be could be any value negative value minimum maximum could be any value negative value minimum maximum 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 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient 6.4 m above the hydraulic gradient 10.0 m above the hydraulic gradient 2.4 m above the hydraulic gradient 5.0 above the hydraulic gradient ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics In which of the following the friction drag is generally larger than pressure drag? a cylinder a sphere a circular disc or plate held normal to flow an airfoil a cylinder a sphere a circular disc or plate held normal to flow an airfoil ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 :25 1 : 5 1:50 1 : 2.5 1 :25 1 : 5 1:50 1 : 2.5 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium meta center should be above e.g. a righting couple should be formed All of these center of buoyancy and e.g. must lie on same vertical plane meta center should be above e.g. a righting couple should be formed All of these center of buoyancy and e.g. must lie on same vertical plane ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Flow of water in a pipe about 3 meters in diameter can be measured by pitot tube venturi rotameter orifice plate pitot tube venturi rotameter orifice plate ANSWER DOWNLOAD EXAMIANS APP