Hydraulics and Fluid Mechanics in ME Metacentric height is the distance between the metacentre and water surface center of gravity center of pressure center of buoyancy water surface center of gravity center of pressure center of buoyancy ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The overall efficiency of a reaction turbine is the ratio of Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel None of these Work-done on the wheel to the energy (or head of water) actually supplied to the turbine Power produced by the turbine to the energy actually supplied by the turbine Actual work available at the turbine to the energy imparted to the wheel None of these Work-done on the wheel to the energy (or head of water) actually supplied to the turbine 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 would discharge Same quantity of liquid Q/0.75 1.5 Q 0.75 Q Same quantity of liquid Q/0.75 1.5 Q 0.75 Q ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be Eight times Sixteen times Double Four times Eight times Sixteen times Double Four times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a body floating in a liquid the normal pressure exerted by the liquid acts at e.g. of the body bottom surface of the body all points on the surface of the body metacentre e.g. of the body bottom surface of the body all points on the surface of the body metacentre ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reciprocating pumps are no more to be seen in industrial applications (in comparison to centrifugal pumps) because of High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation ANSWER DOWNLOAD EXAMIANS APP
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