Hydraulics and Fluid Mechanics in ME Which of the following is dimensionless? Specific gravity Specific speed Specific weight Specific volume Specific gravity Specific speed Specific weight Specific volume ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The total pressure on a horizontally immersed surface is (where w = Specific weight of the liquid, A = Area of the immersed surface, and x = Depth of the centre of gravity of the immersed surface from the liquid surface) wA/x wAx wA wx wA/x wAx wA wx ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Fluid pressure is zero Linear deformation is small Resistance to shear stress is small Only normal stresses can exist Fluid pressure is zero Linear deformation is small Resistance to shear stress is small Only normal stresses can exist ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An air vessel is provided at the summit in a siphon to Increase velocity Avoid interruption in the flow Maintain pressure difference Increase discharge Increase velocity Avoid interruption in the flow Maintain pressure difference Increase discharge ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME With an increase in size of tube, the rise or depression of liquid in the tube due to surface tension will Remain unchanged Increase Depend upon the characteristics of liquid Decrease Remain unchanged Increase Depend upon the characteristics of liquid Decrease ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If the net positive suction head (NPSH) requirement for the pump is not satisfied, then Excessive power will be consumed No flow will take place Cavitation will be formed Efficiency will be low Excessive power will be consumed No flow will take place Cavitation will be formed Efficiency will be low ANSWER DOWNLOAD EXAMIANS APP