Q. For the use of vacuum method, the coefficient of permeability should be __________

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Q. The suction head ____________ capillary head in vacuum method of dewatering.

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Q. In vacuum method, the top of bore hole is sealed by __________

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Q. In vacuum method, the ground surface is subjected to unbalanced atmospheric pressure.

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Q. The fine grained cohesive soils can be stabilised by ______

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Q. The dewatering of soil by electro-osmosis was developed by ______

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Q. The electro-osmosis method of dewatering increases ______

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Q. The velocity of flow towards cathode in electro-osmosis method is given by _________

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Q. In vacuum method, the vacuum drawn on the well-point stiffened the sub-soil to carry out excavations.

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Q. In electro-osmosis method, when direct current is applied to the electrodes, the soil water will _________

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Q. The removal of excess of water from the saturated soil mass is called __________

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Q. Which one of the following method can be used to lower water table, using gravity flow?

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Q. The diameter of the perforated pipe used in well point system is __________

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Q. The ground water table may be lowered by which of the following methods?

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Q. What is the minimum depth of water that can be brought to the surface in well point system?

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Q. For dewatering more than 6m below the water table, which of the following method is used?

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Q. A advantage of using jetting of water in well point system is ___________

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Q. In well point system, ___________should be made essential for proper working of the system.

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Q. The pump which is used for suction of water in the well point system is ___________

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Q. The seepage analysis is done on the assumption of ____________

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