Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 23 (Q.No. 41)

UPSC Civil Service Exam Questions

41.

Consider the following statements in respect of a thick cylinder subjected to internal pressure:
1. The stress on an element on the outer wall is unidirectional
2. The stresses on an element on the inner wall are principal stresses.
3. The constants of the Lames equation are positive.
Which of these statements are correct ?

1 and 2

1 and 3

2 and 3

1, 2 and 3