Fluid Mechanics For water, when the pressure increases, the viscosity First decreases, and then increases Also increases Remains constant Decreases First decreases, and then increases Also increases Remains constant Decreases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The __________ is measured by a piezometric opening. Point velocity Dynamic pressure Total pressure Static pressure Point velocity Dynamic pressure Total pressure Static pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In case of supersonic flow of a fluid through pipeline, the 'Mach number' is > 1 1 < 1 > 1 1 < 1 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Momentum transfer in laminar flow of fluids results due to the Density Velocity gradient Viscosity None of these Density Velocity gradient Viscosity None of these 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) πx x 2x x/2 πx x 2x x/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 12 mm/s 24 mm/s 28 mm/s 16 mm/s 12 mm/s 24 mm/s 28 mm/s 16 mm/s ANSWER DOWNLOAD EXAMIANS APP
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