Q. The cutting edge should be provided with an angle of __________

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Q. A sharp vertical edge for the well is provided at _________

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Q. At a given depth, the skin friction of the well is equal to __________

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Q. For loose sand, the value of skin friction is between ________

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Q. Frictional resistance developed during the sinking the well depends on __________

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Q. The skin friction developed in San Francisco Oakland Bay Bridge, was reduced by, which of the following methods?

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Q. The bottom plug is designed in _________ shape.

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Q. Laying of the well curb in river bed having water, is done by _________

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Q. To avoid the setting of the cutting edge unevenly, ___________ can be introduced.

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Q. The inside shuttering of the well curb is made up of _________

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Q. Excavation of soil inside the well in river beds can be done by ________

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Q. When the well is sunk deeper, the skin friction is decreased by which of the following method?

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Q. Unequal dredging of well causes _________

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Q. The radius of the well curb should be kept _________ larger than the outside radius of well steining.

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Q. To counter act the tilts in the well during sinking operations, which of the following measures can be used?

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Q. In which of the following methods, hydraulic jack is used to counter attack the tilt in the well?

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Q. The method that is used to avoid the further increase in tilt is ___________

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Q. The essential feature of a pneumatic caissons are __________

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Q. The method of construction of pneumatic caisson is similar to ________

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Q. The working chamber of pneumatic caissons are kept airtight because ________

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