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UPSC Civil Service Exam Questions - Engineering

Q1:

Which of the following measures are resorted to for strengthening masonry walls ?
1. Provide cross walls.
2. Pre-stressing.
3. Provide gunite slab on the surface(s) of walls.
4. Provide buttresses.
Select the correct answer using the code given below :

A 1, 3 and 4

B 1 and 2

C 2 and 3

D 1, 2, 3 and 4

ANS:A - 1, 3 and 4

Pre-stressing force is not required in masonry walls as high grade concrete is not used.

Rest three options are correct.