Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Both A and B Incompressible Having no motion of one fluid layer relative to the other Non-viscous Both A and B Incompressible Having no motion of one fluid layer relative to the other Non-viscous ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The distance between metacentre and __________ is called metacentric height. Centre of buoyancy None of these Water surface Centre of gravity Centre of buoyancy None of these Water surface Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The equivalent diameter for pressure drop calculation for a duct of square cross-section is given by(where, x = each side of the square duct) x 2x x/2 πx x 2x x/2 πx ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Capillary tube method of viscosity measurement is based on the Stoke's law Hagen-Poiseulle's equation None of these Navier-stokes equation Stoke's law Hagen-Poiseulle's equation None of these Navier-stokes equation ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For an unstable equilibrium of a floating body (where, M = metacentre.) M is above G M & G coincide M is below G None of these M is above G M & G coincide M is below G 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 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
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