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 At the centre line of a pipe flowing under pressure where the velocity gradient is zero, the shear stress will be minimum could be any value negative value maximum minimum could be any value negative value maximum ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Uniform flow occurs when size and shape of the cross section in a particular length remain constant the flow is streamline the flow is steady size and cross section change uniformly along length size and shape of the cross section in a particular length remain constant the flow is streamline the flow is steady size and cross section change uniformly along length ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The distance from pipe boundary, at which the turbulent shear stress is one-third die wall shear stress, is (where R is the radius of pipe) 3/4 R 1/3 R 1/2 R 2/3 R 3/4 R 1/3 R 1/2 R 2/3 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The total pressure force on a plane area is equal to the area multiplied by the intensity of pressure at the centriod, if the area is vertical All of these the area is horizontal the area is inclined the area is vertical All of these the area is horizontal the area is inclined ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The discharge through a V- notch varies as H5’4 where H is head. H5/2 H1/2 H3’2 H5’4 where H is head. H5/2 H1/2 H3’2 ANSWER DOWNLOAD EXAMIANS APP
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