+1 vote
in Geotechnical Engineering II by (93.8k points)
In order to assist sinking of well __________ method is used in pneumatic caissons.

(a) Air pressure is reduced and Using explosive

(b) Using airlocks

(c) None of the mentioned

(d) All of the mentioned

This question was addressed to me in an internship interview.

I want to ask this question from Well Foundations topic in portion Well Foundations of Geotechnical Engineering II

1 Answer

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by (243k points)
The correct option is (a) Air pressure is reduced and Using explosive

The best explanation: In order to assist sinking process, air pressure may be reduced for a short while. Sometimes explosive may be employed in this case, it is essential to make arrangements for the immediate removal of fall fumes.

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