Fluid Mechanics Low specific speed of a pump implies that, it is a/an __________ pump. Centrifugal Axial flow Mixed flow None of these Centrifugal Axial flow Mixed flow None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A bed of spherical particles (specific gravity 2.5) of uniform size 1500 μm is 0.5 m in diameter and 0.5 m high. In packed bed state, the porosity may be taken as 0.4. Ergun's equation for the above fluid-particle system (in SI units) is given below : Δ P/L = 375 x 10³ VOM + 10.94 x 10⁶ V²OM (SI units) If water is to be used as the fluidising medium, the minimum fluidisation velocity, VOM is 16 mm/s 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A 2" gate valve fitted in a pipe is replaced by a similar globe valve. Pressure drop in gate valve was Δp. For the same discharge, the pressure drop across globe valve is Δp² < Δp > Δp Δp Δp² < Δp > Δp Δp ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which law/principle of solid mechanics is similar/equivalent to Newton's law of viscosity in fluid mechanics? Newton Newton Archimedes principle Hooke Newton Newton Archimedes principle Hooke ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to None of these Avoid chances of separation inside the impeller Increase the mass flow rate of fluid Develop effective pressure rise by the pump None of these Avoid chances of separation inside the impeller Increase the mass flow rate of fluid Develop effective pressure rise by the pump ANSWER DOWNLOAD EXAMIANS APP
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