Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Incompressible Both A and B Having no motion of one fluid layer relative to the other Non-viscous Incompressible Both A and B Having no motion of one fluid layer relative to the other Non-viscous ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Compressibility is greater than zero Density does not change with pressure & temperature Temperature remains constant Is frictionless Compressibility is greater than zero Density does not change with pressure & temperature Temperature remains constant Is frictionless ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drop in a fluidised bed reactor is __________ that in a similar packed bed reactor. Less than More than None of these Same as Less than More than None of these Same as ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Mass velocity in case of steady flow and through a constant cross-section conduit is independent of the Temperature Both A & B Pressure Neither A nor B Temperature Both A & B Pressure Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Uniform fluid flow occurs, when the derivative of the flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂t = constant ∂/∂t = 0 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 16 mm/s 28 mm/s 12 mm/s 24 mm/s 16 mm/s 28 mm/s 12 mm/s ANSWER DOWNLOAD EXAMIANS APP