Hydraulics and Fluid Mechanics in ME For a body floating in a liquid the normal pressure exerted by the liquid acts at metacentre e.g. of the body all points on the surface of the body bottom surface of the body metacentre e.g. of the body all points on the surface of the body bottom surface of the body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted (in Newton) by a jet of water impinging normally on a fixed plate is (where w = Specific weight of water in N/m3, a = Cross-sectional area of jet in m², and V = Velocity of jet in m/s) waV / 2g waV² / 2g waV² / g waV / g waV / 2g waV² / 2g waV² / g waV / g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The unit speed of the turbine runner is N/H3/2 N/H² N/√H N/H N/H3/2 N/H² N/√H N/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream Keeps on decreasing Keeps on increasing Remain constant May increase/decrease Keeps on decreasing Keeps on increasing Remain constant May increase/decrease 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 Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle Buoyancy Equilibrium of a floating body Bernoulli’s theorem Archimedes’ principle Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When the coefficient of discharge (Cd) is 0.623, then the general equation for discharge over a rectangular weir is 1.84(L - nH)H2 1.84(L - nH)H3 1.84(L - 0.1nH)H5/2 1.84(L - 0.1nH)H3/2 1.84(L - nH)H2 1.84(L - nH)H3 1.84(L - 0.1nH)H5/2 1.84(L - 0.1nH)H3/2 ANSWER DOWNLOAD EXAMIANS APP
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