Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) D 1/d Σ L/σ D 1/d Σ L/σ 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) Vs/Dp³ Vs²/Dp³ Vs²/Dp² Vs/Dp² Vs/Dp³ Vs²/Dp³ Vs²/Dp² Vs/Dp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics While starting a centrifugal pump, its delivery valve should be kept Closed Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Opened Closed Either opened or closed ; it does not make any difference Either opened or closed; depending on the fluid viscosity Opened ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A stream line is Always the path of particle Fixed in space in steady flow Drawn normal to the velocity vector at every point A line connecting the mid points of flow cross-section Always the path of particle Fixed in space in steady flow Drawn normal to the velocity vector at every point A line connecting the mid points of flow cross-section ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following exemplifies a three dimensional fluid flow ? Viscous fluid flow between converging plates Fluid flow between parallel plates None of these Fluid flow at the inlet to a nozzle Viscous fluid flow between converging plates Fluid flow between parallel plates None of these Fluid flow at the inlet to a nozzle ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately? 0.3 0.003 0.1 0.01 0.3 0.003 0.1 0.01 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS