+1 vote
in Geotechnical Engineering II by (93.8k points)
The bottom plug is designed in _________ shape.

(a) Rectangular

(b) Mushroom

(c) Bowl-shaped

(d) Circular

The question was posed to me during an online interview.

This key question is from Well Curb, Cutting Edge, Steining and Bottom Plug topic in portion Well Foundations of Geotechnical Engineering II

1 Answer

0 votes
by (243k points)
Right choice is (c) Bowl-shaped

Explanation: The bottom-plug is made in bowl-shaped so as to have inverted arch actions.

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