Building Construction
The loose pockets in soil mass can be bridged safely by providing a raft foundation provided the soft area is smaller than

The column spacing
Half the column spacing
One-third the column spacing
Three-fourth the column spacing

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Building Construction
For constructing a terrazzo floor, Pick up the incorrect statement from the following:

A 32 mm thick layer of cement concrete (1 : 2 : 4) is laid on the base course and the surface is made smooth by trowelling
After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material
A base course is prepared as in cement concrete flooring
Glass strips are driven into the layer according to the pattern required

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Building Construction
In English garden wall bond

One course of headers to three or five course of stretchers
The middle course of stretchers is started with a header to give proper vertical joints
All of these
Queen closer in provided in each heading course

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