Q. The difference between the elevation of water surfaces in piezometers is _______

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Q. The position head is also called ________

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Q. The elevation head is taken as negative if the point is situated above the datum and positive if below the datum.

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Q. The total head at any point may be regarded as _________ measure with respect to the datum.

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Q. Total head is the sum of ________

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Q. Flow occurs between two points only if _______

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Q. The hydraulic gradient is equal to the __________

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Q. The hydraulic potential at any point is given by _________

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Q. Seepage force is the energy transfer between __________

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Q. Seepage pressure is responsible for quick sand condition.

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Q. The first rational approach to the problem of seepage through soils was ________

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Q. The seepage pressure pₛ is given by _________

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Q. The seepage pressure pₛ with respect to hydraulic gradient i is given by ________

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Q. The relationship between seepage force J and seepage pressure pₛ is given by _______

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Q. The seepage force J with respect to hydraulic gradient i is given by ________

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Q. The seepage force per unit volume j is given by _______

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Q. The seepage pressure always acts _______

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Q. The effective pressure subjected to seepage pressure is given by _______

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Q. In ______ direction of flow, the effective pressure is increased.

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Q. The quick condition takes place when effective pressure is _______

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