Hydraulics and Fluid Mechanics in ME In order to avoid cavitation in centrifugal pumps The suction pressure should be high The delivery pressure should be low The delivery pressure should be high The suction pressure should be low The suction pressure should be high The delivery pressure should be low The delivery pressure should be high The suction pressure should be low ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME By fitting an air vessel to the reciprocating pump, there is always a saving of work done and subsequently saving of power. This saving in case of a single acting reciprocating pump is 0.488 0.392 0.848 0.884 0.488 0.392 0.848 0.884 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A fluid whose viscosity does not change with the rate of deformation or shear strain is known as Non-Newtonian fluid Ideal fluid Newtonian fluid Real fluid Non-Newtonian fluid Ideal fluid Newtonian fluid Real fluid ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Francis turbine is best suited for Medium head application from 24 to 180 m Low head installation up to 30 m All types of heads High head installation above 180 m Medium head application from 24 to 180 m Low head installation up to 30 m All types of heads High head installation above 180 m 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 Bernoulli’s theorem Buoyancy Archimedes’ principle Equilibrium of a floating body Bernoulli’s theorem Buoyancy Archimedes’ principle Equilibrium of a floating body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Head developed by a centrifugal pump depends on Impeller diameter Fluid density Speed Both (A) and (B) above Impeller diameter Fluid density Speed Both (A) and (B) above ANSWER DOWNLOAD EXAMIANS APP
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