Hydraulics and Fluid Mechanics in ME The velocity distribution for laminar flow through a circular tube None of these is constant over the cross-section varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre None of these is constant over the cross-section varies linearly from zero at walls to maximum at centre varies parabolically with maximum at the centre 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 × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) 2A × (√H3/2 - √H3/2)/Cd × a × √(2g) 2A × √H₁/Cd × a × √(2g) 2A × (√H₁ - √H₂)/Cd × a × √(2g) 2A × √H₂/Cd × a × √(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The atmospheric pressure at sea level is All of these 10.3 m of water 760 mm of mercury 103 kN/m2 All of these 10.3 m of water 760 mm of mercury 103 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The units of dynamic or absolute viscosity are metres² per sec newton-sec² per meter kg sec/meter newton-sec per meter metres² per sec newton-sec² per meter kg sec/meter newton-sec per meter ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must satisfy continuity equation boundary layer theory Newton’s law of viscosity Pascal law continuity equation boundary layer theory Newton’s law of viscosity Pascal law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy line lies over the hydraulic gradient line 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
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