Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 2 0.5 1 1.5 2 0.5 1 1.5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Foot valves are provided in the suction line of a centrifugal pump to Control the liquid discharge Avoid priming, every time we start the pump Minimise the fluctuation in discharge Remove the contaminant present in the liquid Control the liquid discharge Avoid priming, every time we start the pump Minimise the fluctuation in discharge Remove the contaminant present in the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics __________ pump is the most suitable device for discharging a liquid against a pressure of ≥ 1500 kgf/cm². Vane Plunger Piston Centrifugal Vane Plunger Piston Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Bernoulli's equation is not applicable, when the flow is Irrotational Viscous All of these Incompressible Irrotational Viscous All of these Incompressible 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). 0.44 0.24 24 24000 0.44 0.24 24 24000 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 24 mm/s 16 mm/s 12 mm/s 28 mm/s 24 mm/s 16 mm/s ANSWER DOWNLOAD EXAMIANS APP
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