Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Remove the contaminant present in the liquid Control the liquid discharge Avoid priming, every time we start the pump Minimise the fluctuation in discharge Remove the contaminant present in the liquid Control the liquid discharge Avoid priming, every time we start the pump Minimise the fluctuation in discharge ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Independent of the shear stress Independent of radial distance from the pipe axis Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of the shear stress Independent of radial distance from the pipe axis Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Less than barometric pressure Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid Less than barometric pressure Greater than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two dimensional stream function Is constant along an equipotential surface Relates velocity and pressure Is constant along a stream line None of these Is constant along an equipotential surface Relates velocity and pressure Is constant along a stream line None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 d2/3 √d d4/5 d1/3 d2/3 √d d4/5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is 30 60 90 45 30 60 90 45 ANSWER DOWNLOAD EXAMIANS APP
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