Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the All of these Surface roughness and curvature (i.e.sharp corners) Vibration Pressure gradient and the compressibility of the flowing medium All of these Surface roughness and curvature (i.e.sharp corners) Vibration Pressure gradient and the compressibility of the flowing medium 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 12 mm/s 16 mm/s 28 mm/s 24 mm/s 12 mm/s 16 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Compressibility is greater than zero Is frictionless Density does not change with pressure & temperature Temperature remains constant Compressibility is greater than zero Is frictionless Density does not change with pressure & temperature Temperature remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 V/Vmax = (r/x)1/7 None of these V/Vmax = (x/r)1/7 V/Vmax = (x.r)1/7 V/Vmax = (r/x)1/7 None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The most economical flow control valve for use with large diameter pipes is a Butterfly valve None of these Needle valve Globe valve Butterfly valve None of these Needle valve Globe valve ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics High specific speed of a pump implies that, it is a/an __________ pump. Mixed flow None of these Axial flow Centrifugal Mixed flow None of these Axial flow Centrifugal ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS