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UPSC Civil Service Exam Questions

Q1:

Consider the following statements :
1. Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks.
2. Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.
3. Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.
Which of these statements are correct ?

A 1, 2 and 3

B 1 and 2

C 2 and 3

D 1 and 3

ANS:A - 1, 2 and 3

Yes, option D is correct,

Cement lime mortar has more workability and water retention, and also prevents shrinkage.



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