Hydraulics & Fluid Mechanics The Prartdtl mixing length is None of these maximum at the pipe wall zero at the pipe wall independent of shear stress None of these maximum at the pipe wall zero at the pipe wall independent of shear stress ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics If a sphere of diameter 1 cm falls in castor oil of kinematic viscosity 10 stokes, with a terminal velocity of 1.5 cm/sec, the coefficient of drag on the sphere is less than 1 200 160 between 1 and 100 less than 1 200 160 between 1 and 100 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a floating body to be in stable equilibrium, its metacentre should be between e.g. and center of pressure below the center of buoyancy above the center of buoyancy above the center of gravity. between e.g. and center of pressure below the center of buoyancy above the center of buoyancy above the center of gravity. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A vertical rectangular plane surface is submerged in water such that its top and bottom surfaces are 1.5 m and 6.0 m res-pectively below the free surface. The position of center of pressure below the free surface will be at a distance of 4.2 M 4.8 M 4.0 M 4.6 M 4.2 M 4.8 M 4.0 M 4.6 M ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds total energy is constant throughout velocity and pressure are inversely proportional the energy is constant along a stream-line but may vary across streamlines principle of conservation of mass holds total energy is constant throughout velocity and pressure are inversely proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number directly proportional to Reynolds number and independent of pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
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