Match List-I with List –II and select the correct answer using the codes given below the lists:
List I
(a) Cu, Zn, Ag alloy
(b) Cu, Sn alloy
(c) Pb, Sn alloy
(d) Iron oxide and aluminium power
List II
1. Braze welding
2. Brazing
3. Soldering
4. TIG welding of aluminium
Codes:
A B C D
(a) 2 1 3 4
(b) 1 2 4 3
(c) 2 3 1 4
(d) 1 2 3 4