Hydraulics and Fluid Mechanics in ME The total energy of each particle at various places in the case of perfect incompressible fluid flowing in continuous stream Keeps on increasing Remain constant May increase/decrease Keeps on decreasing Keeps on increasing Remain constant May increase/decrease Keeps on decreasing ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Buoyant force is The resultant force on a body due to the fluid surrounding it Equal to the volume of liquid displaced The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body The resultant force on a body due to the fluid surrounding it Equal to the volume of liquid displaced The resultant force acting on a floating body The force necessary to maintain equilibrium of a submerged body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to fan laws, at constant weight of air or gas, the speed, capacity and pressure vary Inversely as density As square of density Inversely as square root of density Directly as the air or gas density Inversely as density As square of density Inversely as square root of density Directly as the air or gas density ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME To avoid an interruption in the flow of a siphon, an air vessel is provided At any point between inlet and outlet At the summit At the inlet At the outlet At any point between inlet and outlet At the summit At the inlet At the outlet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge through a wholly drowned orifice is given by (where H1 = Height of water (on the upstream side) above the top of the orifice, H2 = Height of water (on the downstream side) above the bottom of the orifice, and H = Difference between two water levels on either side of the orifice) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME If a pump is handling water and is discharging a certain flow Q at a constant total dynamic head requiring a definite B.H.P., the same pump when handling a liquid of specific gravity 0.75 and viscosity nearly same as of water , the horse power required will be Same 0.75 B.H.P H.P./0.75 1.5 B.H.P Same 0.75 B.H.P H.P./0.75 1.5 B.H.P ANSWER DOWNLOAD EXAMIANS APP