Irrigation Engineering
According to Bligh's creep theory, percolating water flows along

Straight path under the foundation of the dam
None of these
Circular path under the foundation of the dam
The outline of the base of the foundation of the dam

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Irrigation Engineering
In a syphon aqueduct

Drainage passes over the canal and F.S.L. of the canal is above the bottom of the drainage trough
Canal passes over the drainage and H.F.L. of the drainage is above the bottom of the canal trough
Canal passes over the drainage and H.F.L. of the drainage is below the bottom of the canal trough
Drainage passes over the canal and F.S.L. of the canal is below the bottom of the drainage trough

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