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) 2x πx x/2 x 2x πx x/2 x ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For water, when the pressure increases, the viscosity Decreases Remains constant Also increases First decreases, and then increases Decreases Remains constant Also increases First decreases, and then increases ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Applying a pressure drop across a capillary results in a volumetric flow rate 'Q' under laminar flow conditions. The flow rate for the same pressure drop, in a capillary of the same length but half the radius is Q/4 Q/16 Q/8 Q/2 Q/4 Q/16 Q/8 Q/2 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 conductivity Thermal conductivity Electrical resistivity Specific gravity Electrical conductivity Thermal conductivity Electrical resistivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In laminar flow through a round tube, the discharge varies Inversely as the viscosity Inversely as the pressure drop As the square of the radius Linearly as the viscosity Inversely as the viscosity Inversely as the pressure drop As the square of the radius Linearly as the viscosity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Decrease Remain unchanged Data insufficient to predict relative pressure drop Increase Decrease Remain unchanged Data insufficient to predict relative pressure drop Increase ANSWER DOWNLOAD EXAMIANS APP
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