Civil Engineering - UPSC Civil Service Exam Questions - Discussion

Discussion Forum : UPSC Civil Service Exam Questions - Section 14 (Q.No. 29)

UPSC Civil Service Exam Questions

29.

Which of the following pairs are correctly matched ?
1. Alpha iron....non magnetic
2. Beta iron....strongly magnetic
3. Gamma iron....non-magnetic and capable of dissolving carbon.
4. Delta iron....non-magnetic and absorbs very little carbon.
Select the correct answer using the codes given below :

3 and 4

1 and 2

1, 3 and 4

2 and 4