Hydraulics and Fluid Mechanics in ME Power required to drive a centrifugal pump is directly proportional to _________ of its impeller. Square of diameter Fourth power of diameter Cube of diameter Diameter Square of diameter Fourth power of diameter Cube of diameter Diameter 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 Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge Necessity of air vessel Lower speed of operation High initial and maintenance cost Lower discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In an external mouthpiece, the absolute pressure head at vena contracta is __________ the atmospheric pressure head by an amount equal to 0.89 times the height of the liquid, above the vena contracta. None of these More than Equal to Less than None of these More than Equal to Less than ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A streamline is defined as the line along which the pressure drop is uniform of equal yelocity in a flow parallel to central axis flow parallel to outer surface of pipe along which the pressure drop is uniform of equal yelocity in a flow parallel to central axis flow parallel to outer surface of pipe ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The atmospheric pressure with rise in altitude decreases first steeply and then gradually linearly first slowly and then steeply unpredictable first steeply and then gradually linearly first slowly and then steeply unpredictable ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For very great pressures, viscosity of moss gases and liquids remains same decreases increases shows erratic behaviour remains same decreases increases shows erratic behaviour ANSWER DOWNLOAD EXAMIANS APP