Building Construction
In grillage foundations, distance between flanges of grillage beams, is kept

Maximum of (A), (B) and (C)
Twice the flange width
Equal to flange width
40 cm

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Building Construction
Pick up the correct statements from the following:

In brick work, the efflorescence is removed by applying a solution of zinc sulphate and water
Excessive thermal variations in the backing or plaster causes the plaster to fall
All listed here
Cracks appear on the plastered surface in the form of hair cracks

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