Fluid Mechanics The fluid velocity varies as the square root of the cylindrical pipe diameter in case of steady state laminar flow at constant pressure drop fo __________ fluid. Newtonion Pseudoplastic Bingham plastic Dilatant Newtonion Pseudoplastic Bingham plastic Dilatant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Velocity of liquid hydrocarbon fuels in a pipeline can not be measured by magnetic flowmeters, because their __________ is very low/small. Electrical resistivity Electrical conductivity Specific gravity Thermal conductivity Electrical resistivity Electrical conductivity Specific gravity Thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Liquid delivery by centrifugal pump starts, only when the head developed by it is equal to the __________ head. Friction Total Static Manometric Friction Total Static Manometric 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 12 mm/s 28 mm/s 24 mm/s 16 mm/s 12 mm/s 28 mm/s ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Temperature remains constant 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 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The energy loss in flow through ven-turimeter is less than that through flow nozzle, because in case of a flow nozzle, the Distance between the throat and the inlet is more Sudden expansion of flow in the downstream occurs Throat diameter is more Length is shorter Distance between the throat and the inlet is more Sudden expansion of flow in the downstream occurs Throat diameter is more Length is shorter ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS