Hydraulics and Fluid Mechanics in ME The theoretical velocity of jet at vena contracta is (where H = Head of water at vena contracta) √(2gh) 2g × √H H × √(2g) 2gH √(2gh) 2g × √H H × √(2g) 2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Total pressure on a lmxlm gate immersed vertically at a depth of 2 m below the free water surface will be 4000 kg 1000 kg 2000 kg 8000 kg 4000 kg 1000 kg 2000 kg 8000 kg ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of a hydraulic press is given by (where W = Weight lifted by ram, P = Force applied on plunger, A = Area of ram, and a = Area of plunger) (W/p) × (A/a) (p/W) × (A/a) (W/p) × (a/A) (p/W) × (a/A) (W/p) × (A/a) (p/W) × (A/a) (W/p) × (a/A) (p/W) × (a/A) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The mercury does not wet the glass. This is due to the property of the liquid known as Cohesion Viscosity Surface tension Adhesion Cohesion Viscosity Surface tension Adhesion 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 ratio of the inertia force to the viscous force is called Euler's number Reynold's number Froude's number Weber's number Euler's number Reynold's number Froude's number Weber's number ANSWER DOWNLOAD EXAMIANS APP