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 When the water level on the downstream side of a weir is above the top surface of a weir, the weir is known as Broad-crested weir Ogee weir Narrow-crested weir Submerged weir Broad-crested weir Ogee weir Narrow-crested weir Submerged weir ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.56 0.46 0.26 0.36 0.56 0.46 0.26 0.36 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Choose the correct relationship kinematicviscosity = dynamicviscosity x density dynamicviscosity = kinematicviscosity x density specific gravity = gravity x density gravity = specific gravity x density kinematicviscosity = dynamicviscosity x density dynamicviscosity = kinematicviscosity x density specific gravity = gravity x density gravity = specific gravity x density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called Pascal’s law Archimedes’s principle D-Alembert’s principle None of these Pascal’s law Archimedes’s principle D-Alembert’s principle None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a reaction turbine, the draft tube is used To transport water to downstream To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine To transport water to downstream To run the turbine full To increase the head of water by an amount equal to the height of the runner outlet above the tail race To prevent air to enter the turbine ANSWER DOWNLOAD EXAMIANS APP