___________________ defects is caused by the water vapour which is trapped behind the painted surface.(a) Flaking(b) Fading(c) Blistering(d) FlashingI had been asked this question in unit test.My enquiry is from Defects in Painting topic in division Painting, Varnishing, Distempering, etc of Construction & Building Materials

___________________ defects is caused by the water vapour which is tra

1.	___________________ defects is caused by the water vapour which is trapped behind the painted surface.(a) Flaking(b) Fading(c) Blistering(d) FlashingI had been asked this question in unit test.My enquiry is from Defects in Painting topic in division Painting, Varnishing, Distempering, etc of Construction & Building Materials
Answer» The correct option is (c) Blistering For explanation I WOULD say: In Blistering, there is the FORMATION of bubbles under the film of paint. It MAY occur from various causes such as in PERFECT seasoning of timber, excess oil used in final COAT, etc.

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