Q. The depth of the bore hole is checked at _________ before insertion of the under-reamer.

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Q. Routine tests are usually carried out on _________

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Q. In the process of pile foundation, boring is done with the help of _________

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Q. Enlarging the stem of bore hole at the depth is done by using________

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Q. For completion of one under-ream, how many buckets of earth are required for removal?

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Q. Pile groups in under-reamed pile foundation can be tested by means of _________

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Q. The dimension of the bulb in an under-reamed pile can be checked by __________

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Q. Cased cast-in-situ piles are suitable for _________ conditions.

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Q. Bored compaction piles are the modification of __________

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Q. The types of Raymond concrete piles in use are __________

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Q. The Raymond standard pile is used primarily as a________

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Q. One of the main advantages of using cased piles are _________

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Q. Who was the first to develop a method for placing cast-in-situ concrete piles?

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Q. Raymond concrete pile is reinforced with _________

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Q. The type of cased piles used in soil, where the driving is very hard?

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Q. Western button bottom piles uses ________ for driving.

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Q. The piles that are suitable for end-bearing to friction friction-load carrying soils is _________

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Q. Which of the following is an advantage of using uncased cast-in-situ piles?

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Q. The types of uncased piles used are __________

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Q. The uncased cast-in-situ piles can be used only in the condition, where _______

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