Fluid Mechanics If three pipes of different diameters, lengths & friction factors are connected in parallel, then (where, Q = flow rate, V= fluid velocity f = friction factor). Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Is frictionless Compressibility is greater than zero Temperature remains constant Density does not change with pressure & temperature Is frictionless Compressibility is greater than zero Temperature remains constant Density does not change with pressure & temperature ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Segmental orificemeter Pitot tube Rotameter Hot wire annemometer Segmental orificemeter Pitot tube Rotameter Hot wire annemometer ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Water is flowing at 1 m/sec through a pipe (of 10 cm I.D) with a right angle bend. The force in Newtons exerted on the bend by water is 5π/√2 10√2π 5π/2 5√2π 5π/√2 10√2π 5π/2 5√2π ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Turbine impeller Produces only radial current Does not produce tangential current Is effective over wide range of viscosities Produces only tangential current Produces only radial current Does not produce tangential current Is effective over wide range of viscosities Produces only tangential current ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The simple pitot tube measures the __________ pressure. Static None of these Total Dynamic Static None of these Total Dynamic ANSWER DOWNLOAD EXAMIANS APP
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