Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium When its meatcentric height is zero When its e.g. is below its center of buoyancy Metacentre has nothing to do with position of e.g. for determining stability When the metacentre is above e.g. When its meatcentric height is zero When its e.g. is below its center of buoyancy Metacentre has nothing to do with position of e.g. for determining stability When the metacentre is above e.g. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be 1.5 B.H.P 0.75 B.H.P H.P./0.75 Same 1.5 B.H.P 0.75 B.H.P H.P./0.75 Same 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) 8μvl/wd² 16μvl/wd² 32μvl/wd² 4μvl/wd² 8μvl/wd² 16μvl/wd² 32μvl/wd² 4μvl/wd² ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of pressure head in case of laminar flow is proportional to (Velocity)4 (Velocity)2 (Velocity)3 Velocity (Velocity)4 (Velocity)2 (Velocity)3 Velocity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Archimedes’s principle Bernoulli’s equation Pascal’s law Continuity equation Archimedes’s principle Bernoulli’s equation Pascal’s law Continuity equation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floating in a liquid is said to be in neutral equilibrium, if its metacentre Coincides with its centre of gravity Lies between the centre of buoyancy and centre of gravity Lies above its centre of gravity Lies below its centre of gravity Coincides with its centre of gravity Lies between the centre of buoyancy and centre of gravity Lies above its centre of gravity Lies below its centre of gravity ANSWER DOWNLOAD EXAMIANS APP
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