1.

The formation of soap patches on the painted surface is termed as the ___________(a) Wrinkling(b) Running(c) Sagging(d) SaponificationI have been asked this question during an interview.The origin of the question is Defects in Painting topic in portion Painting, Varnishing, Distempering, etc of Construction & Building Materials

Answer»

Correct ANSWER is (d) Saponification

Easiest explanation: Saponification is due to the CHEMICAL action of ALKALINE. When a HORIZONTAL surface is too thickly painted , the defect of WRINKLING becomes prominent.



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