Discussion :: Building Construction
- In the method of tube boring of soil investigation, the following is essential:
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A.
A tube of about 2 meters length and 20 cm diameter with a cutting edge |
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B.
A flap valve at the bottom of tube is provided to extract the soil sample |
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C.
The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand |
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D.
All the above |
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Answer : Option D
Explanation :
Explanation Not Provided
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