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.) L.A.N (2 L.A.N)/60 2 L.A.N (L.A.N)/60 L.A.N (2 L.A.N)/60 2 L.A.N (L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An ideal flow of any fluid must satisfy continuity equation Pascal law Newton’s law of viscosity boundary layer theory continuity equation Pascal law Newton’s law of viscosity boundary layer theory ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Viscosity Cohesion Surface tension Adhesion Viscosity Cohesion Surface tension Adhesion ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a centrifugal pump, delivering 750 liters of water per second against a head of 15 meters at 725 r.p.m., is 82.4 r.p.m. 24.8 r.p.m. 248 r.p.m 48.2 r.p.m 82.4 r.p.m. 24.8 r.p.m. 248 r.p.m 48.2 r.p.m ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific speed of a turbine is the speed of an imaginary turbine, identical with the given turbine, which Develops unit power under unit head Delivers unit discharge under unit speed Delivers unit discharge under unit head Develops unit power under unit speed Develops unit power under unit head Delivers unit discharge under unit speed Delivers unit discharge under unit head Develops unit power under unit speed ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of discharge Cd is equal to (where Cc = Coefficient of contraction, Cv = Coefficient of velocity, and Cr = Coefficient of resistance) Cc/Cr Cc × Cv Cc × Cr Cv × Cr Cc/Cr Cc × Cv Cc × Cr Cv × Cr ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS