Hydraulics and Fluid Mechanics in ME The increase in pressure at the outer edge of a drum of radius (r) completely filled up with liquid of density (ρ) and rotating at (ω) rad/s is 2ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2/2 ρ ω2 r2 2ρ ω2 r2 ρ ω2 r2/4 ρ ω2 r2/2 ρ ω2 r2 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The efficiency of power transmission through pipe is (where H = Total supply head, and hf = Head lost due to friction in the pipe) H/(H - hf ) (H - hf )/H H/(H + hf ) (H + hf )/H H/(H - hf ) (H - hf )/H H/(H + hf ) (H + hf )/H ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A vertical wall is subjected to a pressure due to one kind of liquid, on one of its sides. The total pressure on the wall acts at a distance __________ from the liquid surface. 2H/3 H/2 H/3 3H/4 2H/3 H/2 H/3 3H/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME Reynolds number is significant in supersonics, as with projectile and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls All of these supersonics, as with projectile and jet propulsion full immersion or completely enclosed flow, as with pipes, aircraft wings, nozzles etc simultaneous motion through two fluids where there is a surface of dis-continuity, gravity forces, and wave making effect, as with ship’s hulls All of these ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME A body floats in stable equilibrium Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy When its meatcentric height is zero When the metacentre is above e.g. Metacentre has nothing to do with position of e.g. for determining stability When its e.g. is below its center of buoyancy When its meatcentric height is zero When the metacentre is above e.g. ANSWER DOWNLOAD EXAMIANS APP
Hydraulics and Fluid Mechanics in ME The loss of head due to friction in a pipe of uniform diameter in which a viscous flow is taking place, is (where RN = Reynold number) 4/RN 16/RN 1/RN 64/RN 4/RN 16/RN 1/RN 64/RN ANSWER DOWNLOAD EXAMIANS APP
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