Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centroid of the volume of fluid displaced coincides with the centre of gravity remains above the centre of gravity remains below the centre of gravity coincides with the centroid of the volume of fluid displaced coincides with the centre of gravity remains above the centre of gravity remains below the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the surface of liquid is convex, men There is no cohesion pressure Cohesion pressure is increased Cohesion pressure is negligible Cohesion pressure is decreased There is no cohesion pressure Cohesion pressure is increased Cohesion pressure is negligible Cohesion pressure is decreased ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity is defined as the ratio of Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge None of these Actual velocity of jet at vena contracta to the theoretical velocity Area of jet at vena contracta to the area of orifice Actual discharge through an orifice to the theoretical discharge None of these Actual velocity of jet at vena contracta to the theoretical velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over the trapezoidal notch is equal to the discharge over the rectangular notch __________ the discharge over the triangular notch. Plus None of these Divide Minus Plus None of these Divide Minus ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A flow in which the volume of a fluid and its density does not change during the flow is called _________ flow. None of these Viscous Compressible Incompressible None of these Viscous Compressible Incompressible ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to viscosity for laminar flow in pipes is (where d = Diameter of pipe, l = Length of pipe, v = Velocity of the liquid in the pipe, μ = Viscosity of the liquid, and w = Specific weight of the flowing liquid) 4μvl/wd² 32μvl/wd² 8μvl/wd² 16μvl/wd² 4μvl/wd² 32μvl/wd² 8μvl/wd² 16μvl/wd² ANSWER DOWNLOAD EXAMIANS APP
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