Hydraulics and Fluid Mechanics in ME The highest efficiency is obtained with a channel of __________ section. Square Trapezoidal Circular Rectangular Square Trapezoidal Circular Rectangular ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The center of pressure of a surface subjected to fluid pressure is the point similar to metacentre at which all hydraulic forces meet on the surface at which resultant pres-sure acts on the surface at which gravitational force acis similar to metacentre at which all hydraulic forces meet on the surface at which resultant pres-sure acts on the surface at which gravitational force acis ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The undershot water wheels are those in which The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the impulse of water None of these The wheel runs entirely by the weight of water The wheel runs partly by the weight of water and partly by the impulse of water The wheel runs entirely by the impulse of water None of these 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 × 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) ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A tank of uniform cross-sectional area (A) containing liquid upto height (H1) has an orifice of cross-sectional area (a) at its bottom. The time required to empty the tank completely will be (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) (2AH₁)/(Cd × a√2g) (2AH₁²)/(Cd × a√2g) (2A√H₁)/(Cd × a√2g) (2AH₁3/2)/(Cd × a√2g) 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 Stagnation point None of the listed here Vena contracta Critical point Stagnation point None of the listed here Vena contracta ANSWER DOWNLOAD EXAMIANS APP
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