Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. IG / Ax̅ below IG / Ax̅ above Ax̅ / IG above Ax̅ / IG below IG / Ax̅ below IG / Ax̅ above Ax̅ / IG above Ax̅ / IG below 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 The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) 2g × √H H × √(2g) √(2gh) 2gH 2g × √H H × √(2g) √(2gh) 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The pressure intensity in kN/m2 (or kPa) at any point in a liquid is (where w = Specific weight of liquid, and h = Depth of liquid from the surface) w h/w w/h wh w h/w w/h wh ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter is independent of Reynolds number is equal to the coefficient of discharge of venturimeter None of these decreases with higher Reynolds number is independent of Reynolds number is equal to the coefficient of discharge of venturimeter None of these decreases with higher Reynolds number ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump is Proportional to diameter of impeller Proportional to speed of impeller Proportional to diameter and speed of impeller None of these Proportional to diameter of impeller Proportional to speed of impeller Proportional to diameter and speed of impeller None of these ANSWER DOWNLOAD EXAMIANS APP
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