Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 337.5 600 675 300 337.5 600 675 300 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Fluid is a substance that cannot remain at rest under action of any shear force always expands until it fills any container has the same shear stress.at a point regardless of its motion cannot be subjected to shear forces cannot remain at rest under action of any shear force always expands until it fills any container has the same shear stress.at a point regardless of its motion cannot be subjected to shear forces ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For laminar flow in a pipe of circular cross-section, the Darcy’s friction factor f is directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness directly proportional to pipe wall roughness and independent of Reynolds number inversely proportional to Reynolds number and indpendent of pipe wall roughness directly proportional to Reynolds number and independent of pipe wall roughness inversely proportional to Reynolds number and directly proportional to pipe wall roughness ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics Choose the wrong statement fluids are capable of flowing when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids conform to the shape of the con-taining vessels fluids are capable of flowing when in equilibrium, fluids cannot sustain tangential forces when in equilibrium, fluids can sustain shear forces fluids conform to the shape of the con-taining vessels ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The continuity equation pi V,A,= p2V2A2 is based on the following assumption regarding flow of fluid (where pi and p2 are mass densities.) frictionless flow incompressible flow uniform flow steady flow frictionless flow incompressible flow uniform flow steady flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional total energy is constant throughout principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines velocity and pressure are inversely proportional total energy is constant throughout ANSWER DOWNLOAD EXAMIANS APP
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