Fluid Mechanics Capillary rise of mercury in a small diameter tube is proportional to (where, d = diameter of the tube, σ = surface tension of mercury) L/σ 1/d Σ D L/σ 1/d Σ D ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As the velocity V and thus the Reynolds number of a flow past a sphere increases from very low value, the drag force for Re << 1 Increases linearly with V Decreases linearly with V None of these Decreases as V² Increases linearly with V Decreases linearly with V None of these Decreases as V² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drop (Δp) for a fluid flowing in turbulent flow through a pipe is a function of velocity (V) as V-0.2 V2 V1.8 V2.7 V-0.2 V2 V1.8 V2.7 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Convert velocity head to pressure head Convert pressure head to velocity head Reduce the discharge fluctuation Increase the discharge Convert velocity head to pressure head Convert pressure head to velocity head Reduce the discharge fluctuation Increase the discharge 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 Specific gravity Thermal conductivity Electrical resistivity Electrical conductivity Specific gravity Thermal conductivity Electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Ratio of inertial forces to surface tension forces is called the __________ number. Weber Mach Euler Froude Weber Mach Euler Froude ANSWER DOWNLOAD EXAMIANS APP
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