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/4 0.01πgH/8 0.04πgH/3 4πg/3 0.01πgH/4 0.01πgH/8 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Pressure drag does not depend upon the Length of the body in flow direction All of these Pressure of main flow only Roughness of surface of the body Length of the body in flow direction All of these Pressure of main flow only Roughness of surface of the body ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of velocity head is ft-lb/ft³ ft-lbf/lb ft-lbf/sec ft-lb/sec ft-lb/ft³ ft-lbf/lb ft-lbf/sec ft-lb/sec ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Design of the casing of centrifugal pump should be such as to minimise the Back flow through impeller Loss of kinetic head Loss of static head None of these Back flow through impeller Loss of kinetic head Loss of static head None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Stoke's stream function applies to the Cases of axial symmetry Ideal/non-viscous fluids only None of these Irrotational flow only Cases of axial symmetry Ideal/non-viscous fluids only None of these Irrotational flow only ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for flow of water at room temperature through 2 cm dia pipe at an average velocity of 5 cm/sec is around 100 1000 2000 10 100 1000 2000 10 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS