Hydraulics and Fluid Mechanics in ME In a lock-gate, the reaction between two gates is (where P = Resultant pressure on the lock gate, and α = Inclination of the gate with the normal to the side of the lock) 2p/sinα 2p/sin (α/2) p/2sinα p/sinα 2p/sinα 2p/sin (α/2) p/2sinα p/sinα ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Centre of pressure compared to e.g. is above it above or below depending on area of body at same point below it above it above or below depending on area of body at same point below it ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The top of the weir over which the water flows is known as Nappe or vein Sill or crest Orifice None of these Nappe or vein Sill or crest Orifice None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cv × Cr Cc × Cv Cc × Cr Cc/Cr Cv × Cr Cc × Cv Cc × Cr Cc/Cr ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An open tank containing liquid is made to move from rest with a uniform acceleration. The angle 0 which the free surface of liquid makes with the horizontal is such that (where a = Horizontal acceleration of the tank, and g = Acceleration due to gravity) tanθ = 2 a/g tanθ = a2/2g tanθ = a/2g tanθ = a/g tanθ = 2 a/g tanθ = a2/2g tanθ = a/2g tanθ = a/g 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 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