Question

In the open drive samples, the tube head is provided with vents.

(a) True

(b) False

I have been asked this question during an interview.

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

Answer 1

The correct option is (a) True

For explanation: In the open drive samples, the tube head is provided with vents. The vents or valves are provided so as to permit water and air to escape during driving. The check valve helps to retain sample when the sampler is raised.

11. In open drive samples, the tube is split into two parts.

a) True

b) False

View AnswerAnswer: a

Explanation: In open drive samples, the tube can be split into two parts. This type of sampler is known as the split-spoon sampler. The split tube may also contain an inside thin wall liner.