Hydraulics & Fluid Mechanics When a body floating in a liquid, is displaced slightly, it oscillates about center of buoyancy metacentre center of pressure e.g. of body center of buoyancy metacentre center of pressure e.g. of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5/2 H3’2 H5’4 where H is head. H1/2 H5/2 H3’2 H5’4 where H is head. H1/2 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 ? 1:50 1 : 5 1 : 2.5 1 :25 1:50 1 : 5 1 : 2.5 1 :25 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Free surface of a liquid tends to contract to the smallest possible area due to force of cohesion viscosity surface tension friction cohesion viscosity surface tension friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is incompressible None of these is of theoretical interest has constant viscosity is incompressible None of these is of theoretical interest has constant viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in equilibrium 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. All of these ANSWER DOWNLOAD EXAMIANS APP