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 Thermal conductivity Specific gravity Electrical resistivity Electrical conductivity Thermal conductivity Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For turbulent fluid flow in pipe, the expression for Prandtl one seventh power law is (where, r = pipe radius, x = distance). V/Vmax = (r/x)1/7 None of these V/Vmax = (x.r)1/7 V/Vmax = (x/r)1/7 V/Vmax = (r/x)1/7 None of these V/Vmax = (x.r)1/7 V/Vmax = (x/r)1/7 ANSWER DOWNLOAD EXAMIANS APP
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) 1/d D Σ L/σ 1/d D Σ L/σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air. 4πg/3 0.01πgH/4 0.01πgH/8 0.04πgH/3 4πg/3 0.01πgH/4 0.01πgH/8 0.04πgH/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in molecular weight of the gas, the head developed by a centrifugal compressor will Unpredictable Increase Decrease Remain same Unpredictable Increase Decrease Remain same ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS