Hydraulics and Fluid Mechanics in ME A piece of wood having weight 5 kg floats in water with 60% of its volume under the liquid. The specific gravity of wood is 0.83 0.6 0.4 0.3 0.83 0.6 0.4 0.3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The rise or depression of liquid in a tube due to surface tension wim increase in size of tube will increase decrease remain unaffected may increase or decrease depending on the characteristics of liquid increase decrease remain unaffected may increase or decrease depending on the characteristics of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A glass tube of small diameter (d) is dipped in fluid. The height of rise or fall in the tube given by (where w = Specific weight of liquid, α = Angle of contact of the liquid surface, and σ = Surface tension) 4wd/σ cosα 4σ cosα/wd wd/4σ cosα σ cosα/4wd 4wd/σ cosα 4σ cosα/wd wd/4σ cosα σ cosα/4wd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Working principle of dead weight pressure gauge tester is based on Avogadro’s hypothesis Newton’s law of viscosity Dalton’s law of partial pressure Pascal’s law Avogadro’s hypothesis Newton’s law of viscosity Dalton’s law of partial pressure Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following statement is correct as regard to water wheels? They have slow speeds They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant All of these They have slow speeds They are suitable even for low water heads They give constant efficiency, even if the discharge is not constant All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the velocity vector is identical in magnitude and direction at every point, for any given instant, is known as turbulent flow uniform f^w steady flow one dimensional flow turbulent flow uniform f^w steady flow one dimensional flow ANSWER DOWNLOAD EXAMIANS APP
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