Hydraulics and Fluid Mechanics in ME If mercury in a barometer is replaced by water, the height of 3.75 cm of mercury will be following cm of water 52.2 cm 50 cm 52 cm 51 cm 52.2 cm 50 cm 52 cm 51 cm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of center of pressure of an immersed surface, inclined at an angle 'θ' with the liquid surface lies at a distance equal to __________ the center of gravity. IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sinθ/Ax̅ above IG sin²θ/Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L.√2g [H1 - Ha] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. Which of the following statement is correct? The pressure on the bottom of the wall is maximum The pressure on the wall at the liquid level is minimum The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum The pressure on the bottom of the wall is zero The pressure on the bottom of the wall is maximum The pressure on the wall at the liquid level is minimum The pressure on the wall at the liquid level is zero, and on the bottom of the wall is maximum The pressure on the bottom of the wall is zero ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Mercury does not wet glass. This is due to property of liquid known as viscosity surface tension cohesion adhesion viscosity surface tension cohesion adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) H × √(2g) √(2gh) 2g × √H 2gH H × √(2g) √(2gh) 2g × √H 2gH ANSWER DOWNLOAD EXAMIANS APP
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