Hydraulics and Fluid Mechanics in ME The value of coefficient of velocity for a sharp edged orifice __________ with the head of water. Remain same Increases None of these Decreases Remain same Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed (Ns) of a centrifugal pump is given by (N√Q)/H3/4 (N√Q)/H2/3 (N√Q)/H (N√Q)/H5/4 (N√Q)/H3/4 (N√Q)/H2/3 (N√Q)/H (N√Q)/H5/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Two pipe systems can be said to be equivalent, when the following quantities are same Flow and length Length and diameter Friction loss and flow Friction factor and diameter Flow and length Length and diameter Friction loss and flow Friction factor and diameter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) mi × √(A × C) C × √(m × i) A × √(m × i) AC × √(m × i) mi × √(A × C) C × √(m × i) A × √(m × i) AC × √(m × i) 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 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
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to bring the liquid level from H1 to H2 will be 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP