Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is the Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine None of these Ratio of the work done on the wheel to the energy of the jet Ratio of the actual work available at the turbine to the energy imparted to the wheel Ratio of the actual power produced by the turbine to the energy actually supplied by the turbine None of these Ratio of the work done on the wheel to the energy of the jet ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The velocity through a channel of circular section will be maximum when the depth of water is __________ the diameter of the circular channel. 0.95 times 0.34 times 0.67 times 0.81 times 0.95 times 0.34 times 0.67 times 0.81 times 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 × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH₁ × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A point, in a compressible flow where the velocity of fluid is zero, is called Critical point None of the listed here Stagnation point Vena contracta Critical point None of the listed here Stagnation point Vena contracta ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME According to Chezy's formula, the discharge through an open channel is (where A = Area of flow, C = Chezy's constant, m = Hydraulic mean depth, and i = Uniform slope in bed) mi × √(A × C) C × √(m × i) A × √(m × i) AC × √(m × i) mi × √(A × C) C × √(m × i) A × √(m × i) AC × √(m × i) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A pressure of 25 m of head of water is equal to 245 kN/m2 2500 kN/m2 2.5 kN/m2 25 kN/m2 245 kN/m2 2500 kN/m2 2.5 kN/m2 25 kN/m2 ANSWER DOWNLOAD EXAMIANS APP
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