Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV² / 2g waV² / g waV / 2g waV / g waV² / 2g waV² / g waV / 2g waV / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Dynamic viscosity of most of the liquids with rise in temperature Remain unaffected Increases Decreases Unpredictable Remain unaffected Increases Decreases Unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Bent backward Bent forward Radial Straight Bent backward Bent forward Radial Straight ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Hydrometer is used to determine specific gravity of gases specific gravity of solids specific gravity of liquids relative humidity specific gravity of gases specific gravity of solids specific gravity of liquids relative humidity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle is generally made of Divergent shape Convergent shape Convergent-divergent shape Cylindrical shape Divergent shape Convergent shape Convergent-divergent shape Cylindrical shape 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
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