Building Construction
Pick up the correct statement about silt soil from the following:

All listed here
In organic fine grained silt soil possesses no plasticity
The least plastic type normally consists of more or less equidimensional grains of quartz
The silt soil has particle size from 0.02 mm to 0.06 mm

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Building Construction
In the method of tube boring of soil investigation, the following is essential:

A flap valve at the bottom of tube is provided to extract the soil sample
The tube is raised and lowered by 4 thick rope moving over a pulley suspended on a tripod stand
A tube of about 2 meters length and 20 cm diameter with a cutting edge
All listed here

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