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 With the increase in depth, the hydrostatic pressure in an unaccelerated incompressible fluid (in a constant gravitational field) Decreases Increases linearly Increases exponentially Remains constant Decreases Increases linearly Increases exponentially Remains constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter Is a variable head meter None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What causes cavitation in centrifugal pump? High suction pressure Low barometric pressure High suction velocity Low suction pressure High suction pressure Low barometric pressure High suction velocity Low suction pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is Attained after moving one-half of total distance None of these A fluctuating velocity A constant velocity with no acceleration Attained after moving one-half of total distance None of these A fluctuating velocity A constant velocity with no acceleration ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity) 1/μ² μ μ² 1/μ 1/μ² μ μ² 1/μ ANSWER DOWNLOAD EXAMIANS APP
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