Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Archimedes’s principle Bernoulli’s theorem Pascal’s law Principle of flotation Archimedes’s principle Bernoulli’s theorem Pascal’s law Principle of flotation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The buoyancy depends upon the Viscosity of the liquid Weight of the liquid displaced Pressure with which the liquid is displaced Compressibility of the liquid Viscosity of the liquid Weight of the liquid displaced Pressure with which the liquid is displaced Compressibility of the liquid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of pressure of a surface subjected to fluid pressure is the point on the surface at which gravitational force acis on the surface at which resultant pres-sure acts similar to metacentre at which all hydraulic forces meet on the surface at which gravitational force acis on the surface at which resultant pres-sure acts similar to metacentre at which all hydraulic forces meet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Casting of a centrifugal pump is designed so as to minimize Static head Cavitations Loss of kinetic energy Friction loss Static head Cavitations Loss of kinetic energy Friction loss ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Theoretical power required (in watts) to drive a reciprocating pump is (where w = Specific weight of liquid to be pumped in N/m3, Q = Discharge of the pump in m3/s, Hs = Suction head in meters, and Hd = Delivery head in meters) wQHs wQ (Hs - Hd) wQHd wQ (Hs + Hd) wQHs wQ (Hs - Hd) wQHd wQ (Hs + Hd) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The siphon will work satisfactorily, if the minimum pressure in the pipe is __________ vapour pressure of liquid. Equal to None of these More than Less than Equal to None of these More than Less than ANSWER DOWNLOAD EXAMIANS APP
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