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Concept drill

Shelby Sampler

GATE Civil Engineering · Geotechnical Engineering - Soil Sampling · 2021-2021

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2021 Q21

The internal ($d_i$) and external ($d_o$) diameters of a Shelby sampler are 48 mm and 52 mm, respectively. The area ratio ($A_r$) of the sampler (in %, round off to two decimal pla...

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