Fluid Mechanics The drag co-efficient for a bacterium moving in water at 1 mm/s, will be of the following order of magnitude (assume size of the bacterium to be 1 micron and kinematic viscosity of water to be 10⁻⁶m²/s). 24000 24 0.44 0.24 24000 24 0.44 0.24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies As (velocity)² As velocity Inversely as the velocity Inversely as the square of diameter As (velocity)² As velocity Inversely as the velocity Inversely as the square of diameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss Increases linearly Decreases Remains constant Increases Increases linearly Decreases Remains constant Increases ANSWER DOWNLOAD EXAMIANS APP
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) Σ D 1/d L/σ Σ D 1/d L/σ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A differential pressure cell is used for Measuring small pressure difference in liquids Measuring small pressure difference in gases Remote recording of pressure difference Measuring the difference of the impact & the static pressure Measuring small pressure difference in liquids Measuring small pressure difference in gases Remote recording of pressure difference Measuring the difference of the impact & the static pressure ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pumping of a corrosive liquid is generally preferred to be done by a __________ pump, as it can be made of a variety of materials including plastics. Piston Sump Gear Positive displacement Piston Sump Gear Positive displacement ANSWER DOWNLOAD EXAMIANS APP
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