Building Construction
Crown is located at

Highest point on the extrados of the arch
Skew-back of the arch
None of these
Highest point on the intrados of the arch

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

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
All listed here
In organic fine grained silt soil possesses no plasticity

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