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 V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q = Q₁ + Q₂ + Q₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Which of the following is the most common pump for pumping either raw sewage or sludge? Gear pump Centrifugal pump Reciprocating pump Electromagnetic pump Gear pump Centrifugal pump Reciprocating pump Electromagnetic pump ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Reynolds number for water flow through a tube of I.D. 5 cm is 1500. If a liquid of 5 centipoise viscosity and 0.8 specific gravity flows in the same pipe at the same velocity, then the pressure drop will Increase Decrease Data insufficient to predict pressure drop Remain same Increase Decrease Data insufficient to predict pressure drop Remain same ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Laminar flow is characterised by the nonexistence of Pressure fluctuation Deviating velocities Eddies All of these Pressure fluctuation Deviating velocities Eddies All of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The head loss in turbulent flow in a pipe varies Inversely as the square of diameter As (velocity)² Inversely as the velocity As velocity Inversely as the square of diameter As (velocity)² Inversely as the velocity As velocity ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer separation occurs when the Valve is closed in a pipeline Cross-section of the channel is reduced Velocity of sound is reached Pressure reaches a minimum Valve is closed in a pipeline Cross-section of the channel is reduced Velocity of sound is reached Pressure reaches a minimum ANSWER DOWNLOAD EXAMIANS APP
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