Building Construction
In grillage foundations a minimum 15 cm cover is provided on

None to these
Upper flange of top tier
Lower beam of lower tier
Ends of external beams

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Building Construction
Pick up the correct statements from the following:

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

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