Fluid Mechanics Very small pressure difference (< 5 mm water coloumn) can be most conveniently measured by a/an __________ manometer. U-tube mercury Inclined tube water Inclined tube mercury U-tube water U-tube mercury Inclined tube water Inclined tube mercury U-tube water ANSWER DOWNLOAD EXAMIANS APP
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). F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ 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 Rotameter Hot wire annemometer Pitot tube Segmental orificemeter Rotameter Hot wire annemometer Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In an incompressible flow of fluid, the fluid Density does not change with pressure & temperature Temperature remains constant Compressibility is greater than zero Is frictionless Density does not change with pressure & temperature Temperature remains constant Compressibility is greater than zero Is frictionless ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In magnetic flow meters, voltage generation is Due to the motion of conducting fluid through an externally generated uniform field Both A and B Proportional to the fluid velocity Neither A nor B Due to the motion of conducting fluid through an externally generated uniform field Both A and B Proportional to the fluid velocity Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The unit of bulk modulus of elasticity for a liquid in S.I. unit is N/m N/m² N/m³ N N/m N/m² N/m³ N ANSWER DOWNLOAD EXAMIANS APP
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