Fluid Mechanics The velocity profile exhibited by laminar flow of Newtonion fluids is such that the velocity distribution w.r.t. radius of the circular pipe is a/an __________ with the apex at the centre line of the pipe. Semi-circle Semi-ellipse Hyperbola Parabola Semi-circle Semi-ellipse Hyperbola Parabola 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. Specific gravity Electrical resistivity Thermal conductivity Electrical conductivity Specific gravity Electrical resistivity Thermal conductivity Electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For laminar flow through a closed conduit Vmax = 1.5Vav Vmax = Vav Vmax = 0.5Vav Vmax = 2Vav Vmax = 1.5Vav Vmax = Vav Vmax = 0.5Vav Vmax = 2Vav ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The bulk modulus of elasticity of a liquid Is zero for incompressible liquid Decreases with pressure Is independent of temperature & pressure Increases with pressure Is zero for incompressible liquid Decreases with pressure Is independent of temperature & pressure Increases with pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In laminar flow through a round tube, the discharge varies Inversely as the viscosity Linearly as the viscosity Inversely as the pressure drop As the square of the radius Inversely as the viscosity Linearly as the viscosity Inversely as the pressure drop As the square of the radius ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Increase Data insufficient to predict pressure drop Remain same Decrease Increase Data insufficient to predict pressure drop Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
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