Hydraulics and Fluid Mechanics in ME In a free nappe, The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure below the nappe is negative The pressure above the nappe is negative The pressure below the nappe is atmospheric The pressure above the nappe is atmospheric The pressure below the nappe is negative ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid which obeys the Newton's law of viscosity is termed as Ideal fluid Real fluid Non-Newtonian fluid Newtonian fluid Ideal fluid Real fluid Non-Newtonian fluid Newtonian fluid 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) Cc/Cr Cc × Cr Cv × Cr Cc × Cv Cc/Cr Cc × Cr Cv × Cr Cc × Cv ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Discharge (Q) of a centrifugal pump is given by (where D = Diameter of impeller at inlet, b = Width of impeller at inlet, and Vf = Velocity of flow at inlet) Q = π.D.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.b.Vf Q = π.D.Vf Q = D.b.Vf Q = π.D.bf.V Q = π.b.Vf ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Cavitation will begin when the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid flow is increased pressure is increased pressure becomes more than critical pressure the pressure at any location reaches an absolute pressure equal to the saturated vapour pressure of the liquid flow is increased pressure is increased pressure becomes more than critical pressure 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 gravity Centre of immersed surface Centre of depth Centre of pressure Centre of gravity Centre of immersed surface Centre of depth Centre of pressure ANSWER DOWNLOAD EXAMIANS APP