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The sampler in standard penetration test has outer diameter of _________ mm.

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+1 vote
in Geotechnical Engineering II by (93.8k points)
The sampler in standard penetration test has outer diameter of _________ mm.

(a) 50.8

(b) 60.3

(c) 70.3

(d) 80.2

I have been asked this question in examination.

I'm obligated to ask this question of Geophysical Methods in division Stabilisation of Soils, Site Investigation and Sub – Soil Exploration of Geotechnical Engineering II

1 Answer

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by (243k points)
The correct choice is (a) 50.8

Explanation: In the standard penetration test, thick wall samplers are used which has an outer diameter of 50.8 mm or 2 inches. The thick wall sampler is given an inner lining.

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