Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Convert velocity head to pressure head Increase the discharge Reduce the discharge fluctuation Convert pressure head to velocity head Convert velocity head to pressure head Increase the discharge Reduce the discharge fluctuation Convert pressure head to velocity head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The Prandtl mixing length is Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of the shear stress Independent of radial distance from the pipe axis Useful for computing laminar flow problems Zero at the pipe wall and is a universal constant Independent of the shear stress Independent of radial distance from the pipe axis 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). V₁ = V₂ = V₃ 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 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics In Newton's law range, the drag co-efficient for the motion of spherical particle in a stationary fluid is 4.4 0.044 44 0.44 4.4 0.044 44 0.44 ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Consider a centrifugal pump having a specific impeller diameter, fixed impeller speed pumping a liquid of constant density at a particular discharge capacity. With decrease in the capacity of the pump, the __________ decreases. All of these Head of the liquid pumped BHP required by the pump NPSH required All of these Head of the liquid pumped BHP required by the pump NPSH required ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Boundary layer thickness in turbulent flow over a flat plate increases as(where, d = distance from the leading edge.) √d d2/3 d1/3 d4/5 √d d2/3 d1/3 d4/5 ANSWER DOWNLOAD EXAMIANS APP
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