Fluid Mechanics The Prandtl mixing length is Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of radial distance from the pipe axis Independent of the shear stress Useful for computing laminar flow problems 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. 0.04πgH/3 4πg/3 0.01πgH/8 0.01πgH/4 0.04πgH/3 4πg/3 0.01πgH/8 0.01πgH/4 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The fluid velocity varies as the cube of the cylinderical pipe diameter in case of steady state laminar flow at constant pressure drop for __________ fluid. Newtonion Pseudoplastic Dilatent Bingham plastic Newtonion Pseudoplastic Dilatent Bingham plastic ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Dimension of kinematic viscosity is L²T MLT⁻¹ L² . T⁻¹ L² . T⁻² L²T MLT⁻¹ L² . T⁻¹ L² . T⁻² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Terminal velocity is None of these A fluctuating velocity Attained after moving one-half of total distance A constant velocity with no acceleration None of these A fluctuating velocity Attained after moving one-half of total distance A constant velocity with no acceleration ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Hot wire annemometer Segmental orificemeter Rotameter Pitot tube Hot wire annemometer Segmental orificemeter Rotameter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
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