Fluid Mechanics The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is √(HW/π) HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² √(HW/π) HW/2(H + W)² 2HW/(H + W)² HW/4(H + W)² 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 Vs/Dp² Vs²/Dp² Vs/Dp³ Vs²/Dp³ Vs/Dp² Vs²/Dp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 45° bend 30° bend 90° bend U-bend 45° bend 30° bend 90° bend U-bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In laminar flow through a round tube, the discharge varies Inversely as the pressure drop Inversely as the viscosity Linearly as the viscosity As the square of the radius Inversely as the pressure drop Inversely as the viscosity Linearly as the viscosity As the square of the radius ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bernoulli's equation is not applicable, when the flow is All of these Viscous Irrotational Incompressible All of these Viscous Irrotational Incompressible ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Control the liquid discharge Minimise the fluctuation in discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump Control the liquid discharge Minimise the fluctuation in discharge Remove the contaminant present in the liquid Avoid priming, every time we start the pump ANSWER DOWNLOAD EXAMIANS APP
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