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). 24 24000 0.44 0.24 24 24000 0.44 0.24 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics What is the force required (in Newtons) to hold a spherical balloon stationary in water at a depth of H from the air-water iterface? The balloon is of radius 0.1 m and is filled with air. 0.01πgH/4 4πg/3 0.04πgH/3 0.01πgH/8 0.01πgH/4 4πg/3 0.04πgH/3 0.01πgH/8 ANSWER DOWNLOAD EXAMIANS APP
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? 2 1.5 1 0.5 2 1.5 1 0.5 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following produces maximum pressure difference for transportation of gases? Compressors Vaccum pumps Blowers Fans Compressors Vaccum pumps Blowers Fans 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 Remains constant Increases Decreases Increases linearly Remains constant Increases Decreases Increases linearly ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is A fluctuating velocity None of these A constant velocity with no acceleration Attained after moving one-half of total distance A fluctuating velocity None of these A constant velocity with no acceleration Attained after moving one-half of total distance ANSWER DOWNLOAD EXAMIANS APP
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