Q. Exploratory borings in general exploration is carried out by using ___________

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Q. Hand auger can be used for depths up to ________

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Q. Auger boring is used in __________ type of soil.

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Q. The type of boring, used for making deep excavations is _________

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Q. Which of the following method is adopted for fast boring?

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Q. Rotary boring can also be called as ___________

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Q. Auger boring is most suitable for __________ type of work.

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Q. Wash boring cannot be used for _________ type of soil strata.

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Q. Mud rotary drilling belongs to _________ type of boring method.

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Q. The Instruments used in hand augers are _________

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Q. The type of boring method that can be used for both rock and soils are ________

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Q. The commonly used geophysical method for site exploration is ________

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Q. Electrical resistivity method is based on measurement of _____________

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Q. The method used for studying of horizontal changes in the sub-soil is _______

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Q. The commonly used penetration test are _______

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Q. In the seismic refraction method, the waves sent along the ground surface is picked by _________

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Q. The depth of exploration for isolated spread footing is ___________

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Q. In hand operated rings in ‘auger and shell boring’ the depth of which it can be used is _________

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Q. Auger is suitable for _______

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Q. In rotator boring __________ is forced down the hallow drillrods.

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