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) D 1/d L/σ Σ D 1/d L/σ Σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Laminar flow is characterised by the nonexistence of All of these Pressure fluctuation Deviating velocities Eddies All of these Pressure fluctuation Deviating velocities Eddies ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer. U-tube mercury Inclined tube mercury U-tube water Inclined tube water U-tube mercury Inclined tube mercury U-tube water Inclined tube water 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 Decreases as V² None of these Increases linearly with V Decreases linearly with V Decreases as V² None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is not a dimension-less parameter? Euler number Fanning friction factor None of these Specific gravity Euler number Fanning friction factor None of these Specific gravity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will Remain unchanged Increase Data insufficient to predict relative pressure drop Decrease Remain unchanged Increase Data insufficient to predict relative pressure drop Decrease ANSWER DOWNLOAD EXAMIANS APP
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