Hydraulics and Fluid Mechanics in ME A turbine is required to develop 1500 kW at 300 r.p.m. under a head of 150 m. Which of the following turbine should be used? Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle Pelton wheel with two or more nozzles Kaplan turbine Francis turbine Pelton wheel with one nozzle ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The force exerted by a jet of water (in a direction normal to flow) impinging on a fixed plate inclined at an angle θ with the jet is (waV/g) × sin θ (waV/2g) × sin θ (waV²/2g) × sin 2θ (waV²/g) × sin θ (waV/g) × sin θ (waV/2g) × sin θ (waV²/2g) × sin 2θ (waV²/g) × sin θ 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 None of these 4th power Directly proportional Inversely proportional None of these 4th power Directly proportional ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A uniform body 3 m long, 2 m wide and 1 m deep floats in water. If the depth of immersion is 0.6 m, then the weight of the body is 35.3 kN 3.53 kN None of these 33.3 kN 35.3 kN 3.53 kN None of these 33.3 kN ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The viscosity of a liquid __________ its rate of flow through a hole in a vessel. Effects None of these Both A and B Does not effect Effects None of these Both A and B Does not effect ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion All of these full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls supersonics, as with projectile and jet propulsion All of these ANSWER DOWNLOAD EXAMIANS APP
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