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 linearly with V None of these Increases linearly with V Decreases as V² Decreases linearly with V None of these Increases linearly with V Decreases as V² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Incompressible Non-viscous Having no motion of one fluid layer relative to the other Both A and B Incompressible Non-viscous Having no motion of one fluid layer relative to the other Both A and B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting an axial flow pump, its delivery valve should be kept None of these Open Either open or closed Closed None of these Open Either open or closed Closed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs²/Dp² Vs/Dp² Vs/Dp³ Vs²/Dp³ Vs²/Dp² Vs/Dp² Vs/Dp³ Vs²/Dp³ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following produces maximum pressure difference for transportation of gases? Compressors Blowers Vaccum pumps Fans Compressors Blowers Vaccum pumps Fans ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is 1 2 < 1 > 1 1 2 < 1 > 1 ANSWER DOWNLOAD EXAMIANS APP
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