Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) L/σ 1/d D Σ L/σ 1/d D Σ 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. 736.4 1.8 186.2 12.4 736.4 1.8 186.2 12.4 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 12 m 20 m 11 m 10 m 12 m 20 m 11 m ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of dynamic viscosity in SI unit is N/m² m² /sec m/N. sec kg/m . sec N/m² m² /sec m/N. sec kg/m . sec 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 conductivity Specific gravity Electrical resistivity Thermal conductivity Electrical conductivity Specific gravity Electrical resistivity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Hyperbola Semi-ellipse Semi-circle Parabola Hyperbola Semi-ellipse Semi-circle Parabola ANSWER DOWNLOAD EXAMIANS APP
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