Hydraulics and Fluid Mechanics in ME Centre of buoyancy always coincides with the centre of gravity coincides with the centroid of the volume of fluid displaced remains below the centre of gravity remains above the centre of gravity coincides with the centre of gravity coincides with the centroid of the volume of fluid displaced remains below the centre of gravity remains above the centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The resultant upward pressure of a fluid on a floating body is equal to the weight of the fluid displaced by the body. This definition is according to Archimedes’ principle Buoyancy Bernoulli’s theorem Equilibrium of a floating body Archimedes’ principle Buoyancy Bernoulli’s theorem Equilibrium of a floating body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Any change in load is adjusted by adjusting following parameter on turbine Blade velocity Net head Flow Absolute velocity Blade velocity Net head Flow Absolute velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the elevation of hydraulic grade line at the junction of three pipes is above the elevation of reservoirs B and C and below reservoir A, then the direction of flow will be unpredictable from reservoir B to reservoirs C and A from reservoir C to reservoirs A and B from reservoir A to reservoirs B and C unpredictable from reservoir B to reservoirs C and A from reservoir C to reservoirs A and B from reservoir A to reservoirs B and C ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For hydro-dynamically smooth boundary, the friction coefficient for turbulent flow is dependent only on Reynolds number dependent on relative roughness only a function of Reynolds number and relative roughness constant dependent only on Reynolds number dependent on relative roughness only a function of Reynolds number and relative roughness constant ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 103 N/m3 Any one of these 9.81 kN/m3 9.81 × 10-6 N/mm3 9.81 × 103 N/m3 Any one of these 9.81 kN/m3 9.81 × 10-6 N/mm3 ANSWER DOWNLOAD EXAMIANS APP
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