Fluid Mechanics The hydrodynamic and thermal boundary layers will merge, when Prandtl number is one Schmidt number tends to infinity Archimedes number is greater than 10000 Nusselt number tends to infinity Prandtl number is one Schmidt number tends to infinity Archimedes number is greater than 10000 Nusselt number tends to infinity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24000 24 0.44 0.24 24000 24 0.44 0.24 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 12 mm/s 28 mm/s 16 mm/s 24 mm/s 12 mm/s 28 mm/s 16 mm/s 24 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The simple pitot tube measures the __________ pressure. Dynamic Static Total None of these Dynamic Static Total None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The capacity of an accumulator is the maximum Discharge which it can deliver Liquid which it can store None of these Energy which it can store Discharge which it can deliver Liquid which it can store None of these Energy which it can store ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Scale up of agitator design requires Both geometrical and dynamic similarity All of these Dynamic similarity only Geometrical similarity only Both geometrical and dynamic similarity All of these Dynamic similarity only Geometrical similarity only ANSWER DOWNLOAD EXAMIANS APP
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