Hydraulics and Fluid Mechanics in ME If a body floating in a liquid returns back to its original position, when given a small angular displacement, the body is said to be in Unstable equilibrium Neutral equilibrium Stable equilibrium None of these Unstable equilibrium Neutral equilibrium Stable equilibrium None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The ratio of specific weight of a liquid to the specific weight of pure water at a standard temperature is called Surface tension of liquid Density of liquid Specific gravity of liquid Compressibility of liquid Surface tension of liquid Density of liquid Specific gravity of liquid Compressibility of liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Decreases with fall in temperature Is also known as capillarity Is a function of the curvature of the interface Acts in the plane of the interface normal to any line in the surface Decreases with fall in temperature Is also known as capillarity Is a function of the curvature of the interface Acts in the plane of the interface normal to any line in the surface ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Darcy's formula, the loss of head due to friction in the pipe is (where f = Darcy's coefficient, l = Length of pipe, v = Velocity of liquid in pipe, and d = Diameter of pipe) flv²/gd flv²/2gd 4flv²/2gd 3flv²/2gd flv²/gd flv²/2gd 4flv²/2gd 3flv²/2gd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) √2gH 0.707 a. √2gH 0.5 a. √2gH 0.855 a. √2gH √2gH 0.707 a. √2gH 0.5 a. √2gH 0.855 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an immersed body, centre of pressure is At the centre of gravity Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity At the centre of gravity Could be above or below e.g. depending on density of body and liquid Above the centre of gravity Below be centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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