Hydraulics and Fluid Mechanics in ME A Pelton wheel develops 1750 kW under a head of 100 meters while running at 200 r.p.m. and discharging 2500 liters of water per second. The unit speed of the wheel is 80 r.p.m. 10 r.p.m. 20 r.p.m. 40 r.p.m. 80 r.p.m. 10 r.p.m. 20 r.p.m. 40 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Bazin's formula, the discharge over a rectangular weir is mL2g x H3/2 where m is equal to 0.003 + (0.405/H) 0.003 + (H/0.405) 0.405 + (0.003/H) 0.405 + (H/0.003) 0.003 + (0.405/H) 0.003 + (H/0.405) 0.405 + (0.003/H) 0.405 + (H/0.003) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific gravity of an oil whose specific weight is 7.85 kN/m3, is 1.6 0.8 1.2 1 1.6 0.8 1.2 1 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of a reaction turbine, is the ratio of Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine None of these Actual work available at the turbine to energy imparted to the wheel Power produced by the turbine to the energy actually supplied by the turbine Work-done on the wheel to the energy (or head of water) actually supplied to the turbine None of these Actual work available at the turbine to energy imparted to the wheel ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The depth of centre of pressure (h) for a vertically immersed surface from the liquid surface is given by (where IG = Moment of inertia of the immersed surface about horizontal axis through its centre of gravity, A = Area of immersed surface, and x = Depth of centre of gravity of the immersed surface from the liquid surface) (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ (IG/Ax̅) - x̅ (Ax̅/IG) + x̅ (IG/Ax̅) + x̅ (IG/x̅) - Ax̅ ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME For a perfect incompressible liquid, flowing in a continuous stream, the total energy of a particle remains the same, while the particle moves from one point to another. This statement is called Archimedes’s principle Pascal’s law Continuity equation Bernoulli’s equation Archimedes’s principle Pascal’s law Continuity equation Bernoulli’s equation ANSWER DOWNLOAD EXAMIANS APP
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