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/Dp³ Vs/Dp² Vs²/Dp² Vs²/Dp³ Vs/Dp³ Vs/Dp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The peripherial velocity at inlet of a centrifugal pump having inlet diameter of 25 cms and rotating at 950 rpm is __________ m/sec. 186.2 1.8 12.4 736.4 186.2 1.8 12.4 736.4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics __________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm². Centrifugal Piston Plunger Vane Centrifugal Piston Plunger Vane ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In frictional fluid flow, the quantity, P/ρ + V²/2gc + gz/gc, is Not constant along a streamline Constant along a streamline Increased in the direction of flow None of these Not constant along a streamline Constant along a streamline Increased in the direction of flow None of these 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 What is the value of Fanning friction factor f ' for smooth pipe at NRe = 10⁶ approximately? 0.01 0.3 0.1 0.003 0.01 0.3 0.1 0.003 ANSWER DOWNLOAD EXAMIANS APP
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