Hydraulics and Fluid Mechanics in ME The surface tension of mercury at normal temperature is __________ that of water. None of these Same as Lower than Higher than None of these Same as Lower than Higher than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The angle of contact in case of a liquid depends upon the material which exists above the free surface of the liquid any one of the above both of die above the nature of the liquid and the solid the material which exists above the free surface of the liquid any one of the above both of die above the nature of the liquid and the solid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The water pressure per metre length on a vertical masonry wall of dam is (where w = Specific weight of the liquid, and H = Height of the liquid) wH/2 wH2/2 wH wH2/4 wH/2 wH2/2 wH wH2/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of contraction is the ratio of Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice Loss of head in the orifice to the head of water available at the exit of the orifice Actual velocity of jet at vena contracta to the theoretical velocity Loss of head in the orifice to the head of water available at the exit of the orifice Area of jet at vena-contracta to the area of orifice 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 sin²θ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sinθ/Ax̅ below IG sin²θ/Ax̅ above IG sin²θ/Ax̅ below IG sinθ/Ax̅ above IG sinθ/Ax̅ below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 1.855 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 5.85 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
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