Fluid Mechanics In case of turbulent flow of a Newtonion fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity) Vavg 1.5 Vavg 1.2 Vavg 1.8 Vavg Vavg 1.5 Vavg 1.2 Vavg 1.8 Vavg ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The normal stress is the same in all directions at a point in a fluid, when the fluid is Non-viscous Both A and B Having no motion of one fluid layer relative to the other Incompressible Non-viscous Both A and B Having no motion of one fluid layer relative to the other Incompressible ANSWER DOWNLOAD EXAMIANS APP
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 Hyperbola Parabola Semi-ellipse Semi-circle Hyperbola Parabola Semi-ellipse 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 Dimension of kinematic viscosity is L²T L² . T⁻² L² . T⁻¹ MLT⁻¹ L²T L² . T⁻² L² . T⁻¹ MLT⁻¹ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The dimension of kinematic viscosity is ML⁻²T⁻² None of these L²T⁻¹ ML⁻²T⁻¹ ML⁻²T⁻² None of these L²T⁻¹ ML⁻²T⁻¹ ANSWER DOWNLOAD EXAMIANS APP
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