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

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+1 vote
in Geotechnical Engineering II by (93.7k points)
In hand operated rings in ‘auger and shell boring’ the depth of which it can be used is _________

(a) 40 m

(b) 30 m

(c) 25 m

(d) 15 m

This question was posed to me in semester exam.

My question is from Soil Samples and Samplers topic in division Stabilisation of Soils, Site Investigation and Sub – Soil Exploration of Geotechnical Engineering II

1 Answer

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by (243k points)
Correct choice is (c) 25 m

To explain: The hand operated rings in ‘auger and shell boring’ are used for depths up to 25 m and the mechanised rings up to 50 m. In auger boring, hand augers are used for depths up to about 6 m.

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