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

Glass strips are driven into the layer according to the pattern required
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
After final grinding is over, oxalic acid mixed with water is spread over and rubbed hard with soft material

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Building Construction
Depth or height of the arch is the

Perpendicular distance between springing line and extrados
Vertical distance between springing line and intrados
None of these
Perpendicular distance between intrados and extrados

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