Fluid Mechanics Which of the following is used for very accurate measurement of flow of gas at low velocity? Segmental orificemeter Hot wire annemometer Pitot tube Rotameter Segmental orificemeter Hot wire annemometer Pitot tube Rotameter ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Vane anemometer Is an area meter Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed Is an area meter Is a variable head meter None of these Rotates an element at a speed determined by the velocity of the fluid in which the meter is immersed ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂t = constant ∂/∂s = 0 ∂/∂s = constant ∂/∂t = 0 ∂/∂t = constant ∂/∂s = 0 ∂/∂s = constant ∂/∂t = 0 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics A centrifugal pump used to pump water is used to pump an oil with specific gravity of 0.8 at the same rate. The power consumption will now Increase Decrease Remain same Data insufficient to predict Increase Decrease Remain same Data insufficient to predict ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Transition from laminar flow to turbulent flow is aided by the Pressure gradient and the compressibility of the flowing medium All of these Vibration Surface roughness and curvature (i.e.sharp corners) Pressure gradient and the compressibility of the flowing medium All of these Vibration Surface roughness and curvature (i.e.sharp corners) 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). Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ V₁ = V₂ = V₃ F = f₁ + f₂ + f₃ Q = Q₁ + Q₂ + Q₃ ANSWER DOWNLOAD EXAMIANS APP
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