Fluid Mechanics As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity) 1/μ μ² μ 1/μ² 1/μ μ² μ 1/μ² 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 24 mm/s 12 mm/s 28 mm/s 16 mm/s 24 mm/s 12 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following must be followed by the flow of a fluid (real or ideal)? (I) Newton's law of viscosity. (II) Newton's second law of motion. (III) The continuity equation. (IV) Velocity of boundary layer must be zero relative to boundary. (V) Fluid cannot penetrate a boundary. II, III, V I, II, III II, IV, V I, II, V II, III, V I, II, III II, IV, V I, II, V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A differential pressure cell is used for Measuring the difference of the impact & the static pressure Measuring small pressure difference in gases Remote recording of pressure difference Measuring small pressure difference in liquids Measuring the difference of the impact & the static pressure Measuring small pressure difference in gases Remote recording of pressure difference Measuring small pressure difference in liquids ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of pressure forces to inertial forces is called the __________ number. Reynold Mach Euler Froude Reynold Mach Euler Froude ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) d1/3 √d d2/3 d4/5 d1/3 √d d2/3 d4/5 ANSWER DOWNLOAD EXAMIANS APP
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