Hydraulics and Fluid Mechanics in ME The centre of pressure acts __________ the centre of gravity of immersed surface. Below Above At None of these Below Above At None of these 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 Necessity of air vessel Lower discharge Lower speed of operation High initial and maintenance cost Necessity of air vessel Lower discharge Lower speed of operation ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through an external mouthpiece is given by (where a = Cross-sectional area of the mouthpiece, and H = Height of liquid above the mouthpiece) 1.855 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 5.85 aH.√(2g) 1.855 aH.√(2g) 1.585 a.√(2gH) 0.855 a.√(2gH) 5.85 aH.√(2g) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A metal with specific gravity of 'a' floating in a fluid of same specific gravity 'a' will Float over fluid Be fully immersed with top surface at fluid surface Partly immersed Sink to bottom Float over fluid Be fully immersed with top surface at fluid surface Partly immersed Sink to bottom ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is [wa (V - v)]/2g [wa (V - v)]/g [wa (V - v²)]/g [wa (V - v)²]/2g [wa (V - v)]/2g [wa (V - v)]/g [wa (V - v²)]/g [wa (V - v)²]/2g ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 1.2 1.6 0.8 1 1.2 1.6 0.8 1 ANSWER DOWNLOAD EXAMIANS APP