Building Construction
The type of pointing in which a V-shaped projection outside the wall surface, is provided, is called

Recessed pointing
Weather pointing
V-pointing
Tuck pointing

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Building Construction
Pick up the correct statements from the following:

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

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