Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) 2x x/2 πx x 2x x/2 πx x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following exemplifies a three dimensional fluid flow ? Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle Fluid flow between parallel plates None of these Viscous fluid flow between converging plates Fluid flow at the inlet to a nozzle Fluid flow between parallel plates None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Remove the contaminant present in the liquid Minimise the fluctuation in discharge Avoid priming, every time we start the pump Control the liquid discharge Remove the contaminant present in the liquid Minimise the fluctuation in discharge Avoid priming, every time we start the pump Control the liquid discharge 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. 11 m 20 m 10 m 12 m 11 m 20 m 10 m 12 m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 12.4 1.8 736.4 186.2 12.4 1.8 736.4 186.2 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small. Electrical resistivity Specific gravity Thermal conductivity Electrical conductivity Electrical resistivity Specific gravity Thermal conductivity Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
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