Fluid Mechanics Steady flow occurs, when the Rate of the velocity change is constant Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Conditions change steadily with time Rate of the velocity change is constant Conditions do not change with time at any point Conditions are the same at the adjacent points at any instant Conditions change steadily with time ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the Pressure Both A & B Temperature Neither A nor B Pressure Both A & B Temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). V/Vmax = (r/x)1/7 None of these V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 V/Vmax = (r/x)1/7 None of these V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity distribution for flow between two fixed parallel plates Is constant over the entire cross-section None of these Is zero at the plates and increases linearly to the midplane Varies parabolically across the section Is constant over the entire cross-section None of these Is zero at the plates and increases linearly to the midplane Varies parabolically across the section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Nusselt number tends to infinity Archimedes number is greater than 10000 Schmidt number tends to infinity Prandtl number is one Nusselt number tends to infinity Archimedes number is greater than 10000 Schmidt number tends to infinity Prandtl number is one ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24 0.44 24000 0.24 24 0.44 24000 0.24 ANSWER DOWNLOAD EXAMIANS APP
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