Hydraulics and Fluid Mechanics in ME A piece weighing 3 kg in air was found to weigh 2.5 kg when submerged in water. Its specific gravity is 1 7 5 6 1 7 5 6 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is (waV²/2g) × sin 2θ (waV/2g) × sin θ (waV/g) × sin θ (waV²/g) × sin θ (waV²/2g) × sin 2θ (waV/2g) × sin θ (waV/g) × sin θ (waV²/g) × sin θ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Casting of a centrifugal pump is designed so as to minimize Loss of kinetic energy Friction loss Static head Cavitations Loss of kinetic energy Friction loss Static head Cavitations ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A rectangular block 2 m long, 1 m wide and 1 m deep floats in water, the depth of immersion being 0.5 m. If water weighs 10 kN/m3, then the weight of the block is 20 kN 15 kN 5kN lOkN 20 kN 15 kN 5kN lOkN 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/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (Ax̅/IG) + x̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Acts in the plane of the interface normal to any line in the surface Decreases with fall in temperature Is a function of the curvature of the interface Is also known as capillarity Acts in the plane of the interface normal to any line in the surface Decreases with fall in temperature Is a function of the curvature of the interface Is also known as capillarity ANSWER DOWNLOAD EXAMIANS APP
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