Hydraulics and Fluid Mechanics in ME If the depth of water in an open channel is greater than the critical depth, the flow is called Critical flow Turbulent flow Tranquil flow Torrential flow Critical flow Turbulent flow Tranquil flow Torrential flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The weight per unit volume of a liquid at a standard temperature and pressure is called Mass density Specific gravity Specific weight None of these Mass density Specific gravity Specific weight None of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A Pelton wheel working under a constant head and discharge, has maximum efficiency when the speed ratio is 0.56 0.26 0.46 0.36 0.56 0.26 0.46 0.36 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Surface tension Decreases with fall in temperature Is also known as capillarity Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface Decreases with fall in temperature Is also known as capillarity Acts in the plane of the interface normal to any line in the surface Is a function of the curvature of the interface 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 1/Sinθ Sinθ Cos θ 1/Cosθ 1/Sinθ Sinθ Cos θ 1/Cosθ 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 × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) Q = Cd × bH₁ × √(2gh) Q = Cd × bH × √(2gh) Q = Cd × b (H2 - H1) × √(2gh) Q = Cd × bH2 × √(2gh) ANSWER DOWNLOAD EXAMIANS APP
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