Hydraulics and Fluid Mechanics in ME A pipe of length more than double the diameter of orifice fitted externally or internally to the orifice is called a Nozzle Notch Weir Mouthpiece Nozzle Notch Weir Mouthpiece ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Density of water is maximum at 4°C 100°C 0°K 0°C 4°C 100°C 0°K 0°C ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If w is the specific weight of liquid and k the depth of any point from the surface, then pressure intensity at that point will be h wh h/w w/h h wh h/w w/h 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) 2gH 2g × √H H × √(2g) √(2gh) 2gH 2g × √H H × √(2g) √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The length AB of a pipe ABC in which the liquid is flowing has diameter (d1) and is suddenly contracted to diameter (d2) at B which is constant for the length BC. The loss of head due to sudden contraction, assuming coefficient of contraction as 0.62, is 0.5 v₁²/2g v₁²/2g 0.375 v₂²/2g v₂²/2g 0.5 v₁²/2g v₁²/2g 0.375 v₂²/2g v₂²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a large rectangular orifice is given by (where H1 = Height of the liquid above the top of the orifice, H2 = Height of the liquid above the bottom of the orifice, b = Breadth of the orifice, and Cd = Coefficient of discharge) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) Q = (2/3) Cd × b × √(2g) × (H21/2 - H11/2) Q = (2/3) Cd × b × √(2g) × (H2 - H1) Q = (2/3) Cd × b × √(2g) × (H23/2 - H13/2) Q = (2/3) Cd × b × √(2g) × (H22 - H12) ANSWER DOWNLOAD EXAMIANS APP