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Which defect occurs if a paint is applied excessively thick?

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in Basic Civil Engineering by (111k points)
Which defect occurs if a paint is applied excessively thick?

(a) Grinning

(b) Running

(c) Wrinkling

(d) Flaking

This question was addressed to me in class test.

My doubt is from Painting in section Building Construction of Basic Civil Engineering

1 Answer

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Best answer
Correct choice is (c) Wrinkling

Explanation: Grinning occurs when under coat and final coat are of different colours. The opacity is insufficient and background colour is visible. Running occurs if the surface is too smooth; paint run off from such parts. Flaking occurs due to poor adhesion, leading to peeling off of paint.

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