Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Decreases as V² Increases linearly with V Decreases linearly with V None of these Decreases as V² Increases linearly with V Decreases linearly with V None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 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). 0.44 24000 24 0.24 0.44 24000 24 0.24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady uniform flow is represented by flow through a/an Long pipe at decreasing rate Long pipe at constant rate Expanding tube at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Long pipe at constant rate Expanding tube at constant rate Expanding tube at increasing rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following exemplifies a three dimensional fluid flow ? Fluid flow between parallel plates Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle None of these Fluid flow between parallel plates Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of supersonic flow of a fluid through pipeline, the 'Mach number' is < 1 > 1 1 < 1 > 1 1 ANSWER DOWNLOAD EXAMIANS APP
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