Hydraulics and Fluid Mechanics in ME The resultant upward pressure of the fluid on an immersed body is called all the above are correct buoyancy center of pressure upthrust all the above are correct buoyancy center of pressure upthrust ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mass of 2.5 m3 of a certain liquid is 2 tonnes. Its mass density is 200 kg/m3 600 kg/m3 800 kg/m3 400 kg/m3 200 kg/m3 600 kg/m3 800 kg/m3 400 kg/m3 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 [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] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of depth Centre of immersed surface Centre of gravity Centre of pressure Centre of depth Centre of immersed surface Centre of gravity Centre of pressure ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter None of these is independent of Reynolds number decreases with higher Reynolds number is equal to the coefficient of discharge of venturimeter None of these is independent of Reynolds number decreases with higher Reynolds number is equal to the coefficient of discharge of venturimeter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on the top of a closed cylindrical vessel of radius (r) completely filled up with liquid of specific weight (w) and rotating at (ω) rad/s about its vertical axis, is π w ω² r³/4g π w ω² r²/2g π w ω² r²/4g π w ω² r⁴/4g π w ω² r³/4g π w ω² r²/2g π w ω² r²/4g π w ω² r⁴/4g ANSWER DOWNLOAD EXAMIANS APP