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Give proper explanation for the selected option

Give proper explanation for the selected option

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Give proper explanation for the selected option
Select the TRUE response. With increasing flow rate the frtiction factor of a given pipe decreases for hydraulically fully rough turbulent flows. Ob. With increasing flow rate the friction factor of a given pipe increases for hydraulically fully rough turbulent flows. Oc. For hydraulically fully rough turbulent flows the friction factor is independent of the flow rate. What is a Neumann boundary condition? O a. A known flow (flux) across a boundary. O b. A fixed hydraulic head on the boundary. Oc A boundary with no hydraulic head. O d. A boundary where the hydraulic head is zero. In a steady state 2-dimensional finite difference groundwater modelling scheme with Ay = Ax what does the discretised solution to the Laplace equation for a particular cell represent? O a. Fluxes of groundwater into and out of the cell. O b. The distribution of vertical gradients across the cell boundaries Oc The average head distribution of the 4 neighbouring cells O d. The change in groundwater storage.
Transcribed Image Text:Select the TRUE response. With increasing flow rate the frtiction factor of a given pipe decreases for hydraulically fully rough turbulent flows. Ob. With increasing flow rate the friction factor of a given pipe increases for hydraulically fully rough turbulent flows. Oc. For hydraulically fully rough turbulent flows the friction factor is independent of the flow rate. What is a Neumann boundary condition? O a. A known flow (flux) across a boundary. O b. A fixed hydraulic head on the boundary. Oc A boundary with no hydraulic head. O d. A boundary where the hydraulic head is zero. In a steady state 2-dimensional finite difference groundwater modelling scheme with Ay = Ax what does the discretised solution to the Laplace equation for a particular cell represent? O a. Fluxes of groundwater into and out of the cell. O b. The distribution of vertical gradients across the cell boundaries Oc The average head distribution of the 4 neighbouring cells O d. The change in groundwater storage.
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