Hydraulics and Fluid Mechanics in ME A weir, generally, used as a spillway of a dam is Ogee weir Submerged weir Narrow crested weir Broad crested weir Ogee weir Submerged weir Narrow crested weir Broad crested weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hammer blow in pipes occurs when The flow of fluid through the pipe is gradually brought to rest by closing of the valve There is excessive leakage in the pipe The pipe bursts under high pressure of fluid The flow of fluid through the pipe is suddenly brought to rest by closing of the valve The flow of fluid through the pipe is gradually brought to rest by closing of the valve There is excessive leakage in the pipe The pipe bursts under high pressure of fluid The flow of fluid through the pipe is suddenly brought to rest by closing of the valve ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Develops unit power under unit speed Delivers unit discharge under unit speed Develops unit power under unit head Delivers unit discharge under unit head Develops unit power under unit speed Delivers unit discharge under unit speed Develops unit power under unit head Delivers unit discharge under unit head 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 v₁²/2g 0.5 v₁²/2g v₂²/2g 0.375 v₂²/2g v₁²/2g 0.5 v₁²/2g v₂²/2g 0.375 v₂²/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic gradient line lies over the centre line of the pipe by an amount equal to the Pressure head Pressure head - velocity head Pressure head + velocity head Velocity head Pressure head Pressure head - velocity head Pressure head + velocity head Velocity head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the centre line of the pipe by an amount equal to Pressure head Velocity head Pressure head + velocity head Pressure head - velocity head Pressure head Velocity head Pressure head + velocity head Pressure head - velocity head ANSWER DOWNLOAD EXAMIANS APP