Hydraulics and Fluid Mechanics in ME The discharge through a reaction turbine ___ with the increase in unit speed. Remain same Increases Decreases None of the listed here Remain same Increases Decreases None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/Ax̅) - x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. 2H/3 H/2 H/3 3H/4 2H/3 H/2 H/3 3H/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) wAx wA wx wA/x wAx wA wx wA/x ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The maximum thickness of boundary layer in a pipe of radius r is 2r r/2 r 2r r/2 r ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/4 × (depth + breadth) 1/2 × breadth 1/2 × depth 1/2 × sloping side 1/4 × (depth + breadth) 1/2 × breadth 1/2 × depth 1/2 × sloping side ANSWER DOWNLOAD EXAMIANS APP
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