Hydraulics and Fluid Mechanics in ME The centre of pressure for a vertically immersed surface lies at a distance equal to __________ the centre of gravity. Ax̅ / IG above IG / Ax̅ above IG / Ax̅ below Ax̅ / IG below Ax̅ / IG above IG / Ax̅ above IG / Ax̅ below Ax̅ / IG below ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow ratio in case of Francis turbine varies from 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 0.15 to 0.3 0.4 to 0.5 1 to 1.5 0.6 to 0.9 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The angle of taper on draft tube is Greater than 15° Greater than 8° Greater than 5° Less than 8° Greater than 15° Greater than 8° Greater than 5° Less than 8° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is (bd²/12) + x̅ b²/12 + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ (bd²/12) + x̅ b²/12 + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For small discharge at high pressure, following pump is preferred Mixed flow Reciprocating Axial flow Centrifugal Mixed flow Reciprocating Axial flow Centrifugal 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 None of these D-Alembert’s principle Pascal’s law Archimedes’s principle None of these D-Alembert’s principle ANSWER DOWNLOAD EXAMIANS APP
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