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 First rise and then fall Horizontal Nearly horizontal Steep First rise and then fall Horizontal Nearly horizontal Steep ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In centrifugal pumps, maximum efficiency is obtained when the blades are Straight Bent backward Radial Bent forward Straight Bent backward Radial Bent forward ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Practical fluids are compressible are viscous possess surface tension possess all the above properties are compressible are viscous possess surface tension possess all the above properties ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge of a double acting reciprocating pump is (where L = Length of stroke, A = Cross-sectional area of piston, and N = Speed of crank in r.p.m.) (2 L.A.N)/60 (L.A.N)/60 2 L.A.N L.A.N (2 L.A.N)/60 (L.A.N)/60 2 L.A.N L.A.N ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A square surface 3 m × 3 m lies in a vertical line in water pipe its upper edge at water surface. The hydrostatic force on square surface is 18,000 kg 9,000 kg 27,000 kg 13,500 kg 18,000 kg 9,000 kg 27,000 kg 13,500 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very high discharge at low pressure such as for flood control and irrigation applications, following type of pump is preferred Mixed flow Axial flow Reciprocating Centrifugal Mixed flow Axial flow Reciprocating Centrifugal ANSWER DOWNLOAD EXAMIANS APP
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