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 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 Parabola Semi-circle Hyperbola Semi-ellipse Parabola Semi-circle 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 28 mm/s 24 mm/s 12 mm/s 16 mm/s 28 mm/s 24 mm/s 12 mm/s 16 mm/s 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 Pressure Temperature Neither A nor B Both A & B Pressure Temperature Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Decreases with pressure Is independent of temperature & pressure Is zero for incompressible liquid Increases with pressure Decreases with pressure Is independent of temperature & pressure Is zero for incompressible liquid Increases with pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Increase Data insufficient to predict pressure drop Remain same Decrease Increase Data insufficient to predict pressure drop Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
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