Hydraulics and Fluid Mechanics in ME The distance y from pipe boundary, at which the point velocity is equal to average velocity for turbulent flow, is (where R is radius of pipe) 0.707 R 0.423 R 0.577 R 0.223 R 0.707 R 0.423 R 0.577 R 0.223 R ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a small rectangular orifice is given by (where Cd = Coefficient of discharge for the orifice, a = Cross-sectional area of the orifice, h = Height of the liquid above the centre of the orifice) Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = Cd × a × 2gh Q = (3Cd × a)/√(2h) Q = (Cd × a)/√(2gh) Q = (2/3). Cd × a × h Q = Cd × a × 2gh Q = (3Cd × a)/√(2h) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) 0.707 a. √2gH 0.855 a. √2gH √2gH 0.5 a. √2gH 0.707 a. √2gH 0.855 a. √2gH √2gH 0.5 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The angle of taper on draft tube is Less than 8° Greater than 5° Greater than 15° Greater than 8° Less than 8° Greater than 5° Greater than 15° Greater than 8° ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain. Equal to Inversely proportional Directly proportional None of these Equal to Inversely proportional Directly proportional None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Euler's equation in the differential form for the motion of liquids is given by ρ.dp + g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 ρ.dp + g.dz + v.dv = 0 dp/ρ + g.dz + v.dv = 0 ρ.dp - g.dz + v.dv = 0 dp/ρ - g.dz + v.dv = 0 ANSWER DOWNLOAD EXAMIANS APP
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