Hydraulics and Fluid Mechanics in ME The hydraulic efficiency of an impulse turbine is maximum when velocity of wheel is _______ of the jet velocity, One-fourth Three-fourth One-half Double One-fourth Three-fourth One-half Double 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 × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The relation between hydraulic efficiency (ηh), mechanical efficiency (ηm) and overall efficiency (ηo) is ηm = ηm × ηh None of these ηo = ηh × ηm ηh = ηo × ηm ηm = ηm × ηh None of these ηo = ηh × ηm ηh = ηo × ηm ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A nozzle is generally made of Cylindrical shape Convergent shape Convergent-divergent shape Divergent shape Cylindrical shape Convergent shape Convergent-divergent shape Divergent shape ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The specific weight of water in S.I. units is taken as 9.81 × 10-6 N/mm3 Any one of these 9.81 × 103 N/m3 9.81 kN/m3 9.81 × 10-6 N/mm3 Any one of these 9.81 × 103 N/m3 9.81 kN/m3 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In order to increase sensitivity of U-tube manometer, one leg is usually inclined by angle 'θ'. Sensitivity of inclined tube to sensitivity of U-tube is equal to Sinθ 1/Cosθ 1/Sinθ Cos θ Sinθ 1/Cosθ 1/Sinθ Cos θ ANSWER DOWNLOAD EXAMIANS APP
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