GATE CE 2022 Set 2 — Question 31

NAT+1 / -0MediumSoil SamplingSubsurface InvestigationGeotechnical Engineering

Geotechnical Engineering → Subsurface Investigation → Soil Sampling

Last updated 5 September 2026

Question

The inside diameter of a sampler tube is 50 mm. The inside diameter of the cutting edge is kept such that the Inside Clearance Ratio (ICR) is 1.0 % to minimize the friction on the sample as the sampler tube enters into the soil. The inside diameter (in mm) of the cutting edge is_________________. (round off to two decimal places)

ICR = \frac{D_s - D_c}{D_c} \times 100\%

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ICR = \frac{D_s - D_c}{D_c} \times 100\%

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