Hydraulics and Fluid Mechanics in ME The critical depth for a channel is given by (where q = Unit discharge (discharge per unit width) through the channel) (q⁴/g)1/5 (q/g)1/2 (q²/g)1/3 (q³/g)1/4 (q⁴/g)1/5 (q/g)1/2 (q²/g)1/3 (q³/g)1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When an internal mouthpiece is running free, the discharge through the mouthpiece is (where a = Area of mouthpiece, and H = Height of liquid above the mouthpiece) √2gH 0.855 a. √2gH 0.5 a. √2gH 0.707 a. √2gH √2gH 0.855 a. √2gH 0.5 a. √2gH 0.707 a. √2gH ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In a static fluid Linear deformation is small Resistance to shear stress is small Fluid pressure is zero Only normal stresses can exist Linear deformation is small Resistance to shear stress is small Fluid pressure is zero Only normal stresses can exist ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Unit of surface tension is Energy/unit area Both of the above Velocity/unit area It has no units Energy/unit area Both of the above Velocity/unit area It has no units ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME When a body is immersed wholly or partially in a liquid, it is lifted up by a force equal to the weight of liquid displaced by the body. This statement is called Principle of flotation Bernoulli’s theorem Archimedes’s principle Pascal’s law Principle of flotation Bernoulli’s theorem Archimedes’s principle Pascal’s law ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME In case of an airfoil, the separation of flow occurs at the extreme front of body midway between rear and front of body at the extreme rear of body any where between rear and front of body depending upon Reynolds number at the extreme front of body midway between rear and front of body at the extreme rear of body any where between rear and front of body depending upon Reynolds number ANSWER DOWNLOAD EXAMIANS APP