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). 0.24 0.44 24 24000 0.24 0.44 24 24000 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Momentum transfer in laminar flow of fluids results due to the Viscosity Density Velocity gradient None of these Viscosity Density Velocity gradient None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre Is zero at the centre and varies linearly with the radius Remains constant over the cross-section Varies parabolically across the cross-section Is zero at the wall and increases linearly to the centre Is zero at the centre and varies linearly with the radius Remains constant over the cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the velocity As velocity Inversely as the square of diameter As (velocity)² Inversely as the velocity As velocity Inversely as the square of diameter As (velocity)² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow of a shear thinning liquid in a pipe, if the volumetric flow rate is doubled, the pressure gradient will increase by a factor of 43832 >2 2 43832 >2 2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Power number is the ratio of Inertial stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Gravitational stress to drag stress Inertial stress to drag stress Inertial stress to gravitational stress Drag stress to inertial stress Gravitational stress to drag stress ANSWER DOWNLOAD EXAMIANS APP
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