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 0.01πgH/8 0.04πgH/3 0.01πgH/4 4πg/3 0.01πgH/8 0.04πgH/3 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Net positive suction head (NPSH) of a centrifugal pump must be Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid Equal to the vapour pressure of the liquid Greater than the vapour pressure of the liquid Less than barometric pressure Less than the vapour pressure of the liquid ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics As per Newton's law of viscosity, the shear stress for a given rate of angular deformation of fluid is proportional to(where, μ = fluid viscosity) 1/μ μ 1/μ² μ² 1/μ μ 1/μ² μ² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The pressure drop per unit length of pipe incurred by a fluid 'X' flowing through pipe is Δp. If another fluid 'Y' having both the specific gravity & density just double of that of fluid 'X', flows through the same pipe at the same flow rate/average velocity, then the pressure drop in this case will be 2Δp Δp/2 Δp Δp² 2Δp Δp/2 Δp Δp² ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady uniform flow is represented by flow through a/an Expanding tube at increasing rate Long pipe at constant rate Expanding tube at constant rate Long pipe at decreasing rate Expanding tube at increasing rate Long pipe at constant rate Expanding tube at constant rate Long pipe at decreasing rate ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Rotary vacuum pumps can reduce the absolute pressure to as low as __________ mm Hg. 0.1 1 0.001 0.01 0.1 1 0.001 0.01 ANSWER DOWNLOAD EXAMIANS APP
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