Fluid Mechanics N²Re/NFr is called the __________ number. Archimedes Brinkman Galileo Euler Archimedes Brinkman Galileo Euler ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For Laminar flow through a packed bed, the pressure drop is proportional to (Vs is the superficial liquid velocity and Dp is the particle diameter) Vs²/Dp² Vs²/Dp³ Vs/Dp² Vs/Dp³ Vs²/Dp² Vs²/Dp³ Vs/Dp² Vs/Dp³ 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). 0.24 24 24000 0.44 0.24 24 24000 0.44 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 24 mm/s 16 mm/s 12 mm/s 28 mm/s 24 mm/s 16 mm/s 12 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) 1.5 Vavg 1.8 Vavg 1.2 Vavg Vavg 1.5 Vavg 1.8 Vavg 1.2 Vavg Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bed pressure drop in an air fluidised bed of catalyst particles (ρp = 200 kg/m³, Dp = 0.05 cm) of 60 cm bed depth and bed porosity of 0.5 expressed in cm of water (manometer) is 45 30 90 60 45 30 90 60 ANSWER DOWNLOAD EXAMIANS APP
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