Fluid Mechanics Which of the following exemplifies a three dimensional fluid flow ? None of these Fluid flow between parallel plates Fluid flow at the inlet to a nozzle Viscous fluid flow between converging plates None of these Fluid flow between parallel plates Fluid flow at the inlet to a nozzle Viscous fluid flow between converging plates ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Reduce the discharge fluctuation Increase the discharge Convert velocity head to pressure head Convert pressure head to velocity head Reduce the discharge fluctuation Increase the discharge Convert velocity head to pressure head Convert pressure head to velocity head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady non-uniform flow is represented by flow through a/an Expanding tube at increasing rate Long pipe at constant rate Expanding tube at constant rate Long pipe at decreasing rate Expanding tube at increasing rate Long pipe at constant rate Expanding tube at constant rate Long pipe at decreasing rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following pipe bends will incur the largest head loss ? 30° bend 45° bend 90° bend U-bend 30° bend 45° bend 90° bend U-bend ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of hydrodynamic boundary layer to thermal boundary layer thickness in case of liquid metals is < 1 > 1 1 2 < 1 > 1 1 2 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 12 mm/s 28 mm/s 24 mm/s 16 mm/s 12 mm/s 28 mm/s 24 mm/s ANSWER DOWNLOAD EXAMIANS APP
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