+1 vote
in Geotechnical Engineering II by (93.8k points)
The limiting head of water value in pneumatic caisson is ________

(a) 40 m

(b) 25 m

(c) 35 m

(d) 50 m

This question was addressed to me at a job interview.

The question is from Well Foundations topic in section Well Foundations of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
Correct choice is (c) 35 m

Easiest explanation: As the maximum air pressure is limited to 3.5 kg /cm2. the limiting head of water is given by:

hlim = 3.5/0.1 = 35 m.

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