Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 14 (Q.No. 37)

UPSC Civil Service Exam Questions

37.

Consider the following statements about provision of sag rods :
1. Sag rods reduce span length of purlin in the weak direction.
2. Sag rods are installed in the plane of the roof.
3. Ridge purlin is subject to vertical components of sag rods on either side of slope.
Which of the statements given above are correct ?

1, 2 and 3

2 and 3

1 and 2

1 and 3