Fluid Mechanics Volute type of casing is provided in a centrifugal pump to Convert pressure head to velocity head Increase the discharge Reduce the discharge fluctuation Convert velocity head to pressure head Convert pressure head to velocity head Increase the discharge Reduce the discharge fluctuation Convert velocity head to pressure head ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Priming of a centrifugal pump is done to Increase the mass flow rate of fluid Avoid chances of separation inside the impeller Develop effective pressure rise by the pump None of these Increase the mass flow rate of fluid Avoid chances of separation inside the impeller Develop effective pressure rise by the pump None of these ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Unsteady uniform flow is represented by flow through a/an Expanding tube at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Long pipe at constant rate Expanding tube at constant rate Expanding tube at increasing rate Long pipe at decreasing rate Long pipe at constant rate 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). Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ Q = Q₁ + Q₂ + Q₃ F = f₁ + f₂ + f₃ V₁ = V₂ = V₃ Q₁ = Q₂ = Q₃ ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics Steady fluid flow occurs, when the derivative of flow variables satisfy the following condition. ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ∂/∂s = 0 ∂/∂t = 0 ∂/∂t = constant ∂/∂s = constant ANSWER DOWNLOAD EXAMIANS APP
Fluid Mechanics The ratio of inertial forces to viscous forces is called the __________ number. Mach Froude Weber Reynold Mach Froude Weber Reynold ANSWER DOWNLOAD EXAMIANS APP
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