Hydraulics and Fluid Mechanics in ME When a piping system is made up primarily of friction head and very little of vertical lift, then pump characteristics should be Horizontal Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Casting of a centrifugal pump is designed so as to minimize Cavitations Loss of kinetic energy Friction loss Static head Cavitations Loss of kinetic energy Friction loss Static head ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The point at which the resultant pressure on an immersed surface acts, is known as Centre of depth Centre of immersed surface Centre of pressure Centre of gravity Centre of depth Centre of immersed surface Centre of pressure Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Which of the following turbine is preferred for a specific speed of 60 to 300 r.p.m.? Francis turbine Kaplan turbine None of these Pelton wheel Francis turbine Kaplan turbine None of these Pelton wheel 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) (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ (Ax̅/IG) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (IG/Ax̅) + x̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Saving of work done and power by fitting an air vessel to double acting reciprocating pump is of the order of 0.688 0.392 0.848 0.492 0.688 0.392 0.848 0.492 ANSWER DOWNLOAD EXAMIANS APP
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