Building Construction
In clay soil

Consolidation continues even after several years of construction
All listed here
Swelling and shrinkage characteristics prevail
Differential settlement is generally prevalent

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Building Construction
Negative skin friction

Is a downward drag acting on a pile due to downward movement of the surrounding compressible soil relative to the pile
Develops due to lowering of ground water
Both (A) and (B)
Neither (A) not (B)

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

A base course is prepared as in cement concrete flooring
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
Glass strips are driven into the layer according to the pattern required
After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

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