The formation of hairline cracks on a plastered surface is called ______.
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A.
splitting
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B.
blistering
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C.
crazing
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D.
cracking
Correct Answer:
C. crazing
Explanation:
The correct answer is crazing.
Crazing refers to the development of a network of fine, shallow cracks on the surface of plaster or concrete. This phenomenon typically occurs due to the rapid drying of the surface layer or an overly rich mix of cement, causing shrinkage in the finishing coat. While these hairline fractures are generally a cosmetic issue and do not indicate structural failure, they can detract from the aesthetic quality of the plastered finish. Consistent curing and proper mix proportions are essential to minimize the risk of crazing during the setting process.
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