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

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

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Building Construction
Auger boring

Is most economical up-to a depth of 5 meters
Is generally employed in cohesive and other self soils above water table
Is the most primitive method for making a hole in the ground
All of these

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Building Construction
Slate

Splits into thin sheets along its bedding planes
Is a metamorphic rock
Has a smooth surface and contains alumina and silica
Possesses good water absorption capacity

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