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. Semi-circle Semi-ellipse Hyperbola Parabola Semi-circle Semi-ellipse Hyperbola Parabola ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary tube method of viscosity measurement is based on the Hagen-Poiseulle's equation Stoke's law None of these Navier-stokes equation Hagen-Poiseulle's equation Stoke's law None of these Navier-stokes equation 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 28 mm/s 24 mm/s 12 mm/s 16 mm/s 28 mm/s 24 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump is called a turbine pump, if it is having a Vaned diffusion casing Turbine type impeller None of these Rotating vaned volute Vaned diffusion casing Turbine type impeller None of these Rotating vaned volute ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity at a certain point in case of streamline flow is Independent of time Both A & B Neither A nor B Constant Independent of time Both A & B Neither A nor B Constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A stream line is Drawn normal to the velocity vector at every point Fixed in space in steady flow A line connecting the mid points of flow cross-section Always the path of particle Drawn normal to the velocity vector at every point Fixed in space in steady flow A line connecting the mid points of flow cross-section Always the path of particle ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS