Hydraulics and Fluid Mechanics in ME In an internal mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to height of the liquid above the vena contracta. Equal to None of these Less than More than Equal to None of these Less than More than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A weir is said to be narrow-crested weir, if the width of the crest of the weir is __________ half the height of water above the weir crest. More than None of these Equal to Less than More than None of these Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Property of a fluid by which its own molecules are attracted is called cohesion compressibility adhesion viscosity cohesion compressibility adhesion viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power transmitted through the pipe is maximum when the head lost due to friction is equal to Two-third of the total supply head One-fourth of the total supply head One-half of the total supply head One-third of the total supply head Two-third of the total supply head One-fourth of the total supply head One-half of the total supply head One-third of the total supply head 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) 4flv²/2gd flv²/gd flv²/2gd 3flv²/2gd 4flv²/2gd flv²/gd flv²/2gd 3flv²/2gd ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the weight of a body immersed in a fluid exceeds the buoyant force, then the body will rise until its weight equals the buoyant force tend to move downward and it may finally sink float None of these rise until its weight equals the buoyant force tend to move downward and it may finally sink float None of these ANSWER DOWNLOAD EXAMIANS APP