Hydraulics and Fluid Mechanics in ME The depth ‘d’ below the free surface at which the point velocity is equal to the average velocity of flow for a uniform laminar flow with a free surface, will be (where D is the depth of flow) 0.707 D 0.223 D 0.423 D 0.577 D 0.707 D 0.223 D 0.423 D 0.577 D ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Specific speed for reaction turbines ranges from 80 to 200 10 to 100 250 to 300 0 to 4.5 80 to 200 10 to 100 250 to 300 0 to 4.5 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 Axial flow Reciprocating Mixed flow Centrifugal Axial flow Reciprocating Mixed flow Centrifugal ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 2ρ ω2 r2 ρ ω2 r2/2 ρ ω2 r2/4 ρ ω2 r2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the coefficient of discharge is 0.6, then the discharge over a right angled notch is 4.171 H5/2 1.417 H5/2 0.417 H5/2 7.141 H5/2 4.171 H5/2 1.417 H5/2 0.417 H5/2 7.141 H5/2 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.) (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 (2 L.A.N)/60 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS