Hydraulics and Fluid Mechanics in ME In case of an airfoil, the separation of flow occurs any where between rear and front of body depending upon Reynolds number at the extreme rear of body midway between rear and front of body at the extreme front of body any where between rear and front of body depending upon Reynolds number at the extreme rear of body midway between rear and front of body at the extreme front of body ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The flow in which the particles of a fluid attain such velocities that vary from point to point in magnitude and direction as well as from instant to instant, is known as steady flow one dimensional flow turbulent flow uniform flow steady flow one dimensional flow turbulent flow uniform flow ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME An internal mouthpiece is said to be running free if the length of the mouthpiece is __________ the diameter of the orifice. Less than three times More than twice Less than twice More than three times Less than three times More than twice Less than twice More than three times ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The most economical section of a trapezoidal channel is one which has hydraulic mean depth equal to 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth 1/4 × (depth + breadth) 1/2 × depth 1/2 × sloping side 1/2 × breadth ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The discharge over a rectangular weir, considering the velocity of approach, is (whereH1 = H + Ha = Total height of water above the weir, H = Height of water over the crest of the weir, and Ha = Height of water due to velocity of approach) (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] (2/3) Cd × L. √2g [H13/2 - Ha3/2] (2/3) Cd × L.√2g [H1 - Ha] (2/3) Cd × L.√2g [H12 - Ha2] (2/3) Cd × L. √2g [H15/2 - Ha5/2] ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertically immersed surface is shown in the below figure. The distance of its centre of pressure from the water surface is (d²/12 x̅) + x̅ b²/12 + x̅ (bd²/12) + x̅ d²/12 + x̅ (d²/12 x̅) + x̅ b²/12 + x̅ (bd²/12) + x̅ d²/12 + x̅ ANSWER DOWNLOAD EXAMIANS APP
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