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On drying, film of distemper ___________

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in Construction & Building Materials by (190k points)
On drying, film of distemper ___________

(a) Swells

(b) Disappears

(c) Shrinks

(d) Thickens

I got this question in an interview for job.

I need to ask this question from Characteristics of Varnishing in portion Painting, Varnishing, Distempering, etc of Construction & Building Materials

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Correct answer is (c) Shrinks

For explanation I would say: The distemper possesses the property of shrinkage on drying. Hence it leads to cracking and flaking, if the surface to receive distemper is weak. The coating of distemper are usually thick and they are more brittle than other types of water paints.

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