Hydraulics and Fluid Mechanics in ME The pressure of air __________ with the increase of height from the surface of the earth. None of these Does not change Decreases Increases None of these Does not change Decreases Increases ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order that flow takes place between two points in a pipeline, the differential pressure between these points must be more than All of these viscosity frictional force surface friction All of these viscosity frictional force surface friction ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Coefficient of velocity of venturimeter decreases with higher Reynolds number is independent of Reynolds number is equal to the coefficient of discharge of venturimeter None of these decreases with higher Reynolds number is independent of Reynolds number is equal to the coefficient of discharge of venturimeter None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The power produced by the reaction turbine is ________ to the head of water. Inversely proportional Directly proportional 4th power None of these Inversely proportional Directly proportional 4th power None of these 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 × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH₁ × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The vapour pressure over the concave surface is equal to the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero less man the vapour pressure over the plane surface equal to the vapour pressure over the plane surface greater than the vapour pressure over the plane surface zero less man the vapour pressure over the plane surface ANSWER DOWNLOAD EXAMIANS APP