Fluid Mechanics What is the ratio of displacement thickness to nominal thickness for a linear distribution of velocity in the boundary layer on a flat plate? 0.5 1 2 1.5 0.5 1 2 1.5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field) Remains constant Decreases Increases linearly Increases exponentially Remains constant Decreases Increases linearly Increases exponentially 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 Decreases as V² None of these Decreases linearly with V Increases linearly with V Decreases as V² None of these Decreases linearly with V Increases linearly with V ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Shear stress in a fluid flowing in a round pipe Remains constant over the cross-section Is zero at the wall and increases linearly to the centre Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius Remains constant over the cross-section Is zero at the wall and increases linearly to the centre Varies parabolically across the cross-section Is zero at the centre and varies linearly with the radius ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics For pipes that must be broken at intervals for maintenance, the connector used should be a/an Tee Union Reducer Elbow Tee Union Reducer Elbow ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The dimension of kinematic viscosity is L²T⁻¹ None of these ML⁻²T⁻² ML⁻²T⁻¹ L²T⁻¹ None of these ML⁻²T⁻² ML⁻²T⁻¹ ANSWER DOWNLOAD EXAMIANS APP
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