Fluid Mechanics The length of the tube necessary for the boundary layer to reach the centre of the tube and for fully developed flow to be established is called the __________ length. Transition Equivalent Prandtl mixing None of these Transition Equivalent Prandtl mixing None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m³/s? The Fanning friction factor, f is 0.0062. 10 m 11 m 12 m 20 m 10 m 11 m 12 m 20 m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for flow through a rectangular duct of width B and height H is 4HB/(H + B) 2HB/(H + B) HB/(H + B) HB/2(H + B) 4HB/(H + B) 2HB/(H + B) HB/(H + B) HB/2(H + B) ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most suitable flow measuring device for the fluid flow measurement in a very large diameter pipeline is a Weir Kennison nozzle Pitot tube V-notch Weir Kennison nozzle Pitot tube V-notch ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Equal to the vapour pressure of the liquid Less than barometric pressure Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Less than barometric pressure Greater than the vapour pressure of the liquid Less than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the Both A & B Neither A nor B Temperature Pressure Both A & B Neither A nor B Temperature Pressure ANSWER DOWNLOAD EXAMIANS APP
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