Problem 2: Circle the correct answer (s) (1 point each) 1) The \"Square\" flowne

Question

Problem 2: Circle the correct answer (s) (1 point each) 1) The "Square" flownet is a result of which of the following assumption(s)? (a) The soil is isotropic (b) The soil is homogeneous (c) It is governed by the Laplace equation of continuity (d) All of the above 2) Select the incorrect statement(s) (a) Elevation head at a point is the distance above or below the datum (b) Pressure head at a point is independent of datum (c) Total head at a point will remain constant even if datum is changed (d) Negative pressure head represents suction 3) Select the correct statement(s) (e) Taplace continuity equation cannot be applied to the flow through anisotropic soils lic conductivity of a soil increases with hydraulic gradient water in the soil will always flow from higher elevation to lower elevation (d) none of the above

Explanation / Answer

1) option (d) is correct....... Square flow net indicates that soil is isotropic,homogeneous and it is governed by Laplace equation of continuity...

2) option(c) is correct....... As the datum line changes elevation head changes which results change in total head...

3) option(b) is correct....... Laplace continuity equation,the principles of flownet construction are not applicable to anisotropic soils......

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