0 votes
52 views
asked in production by (215k points)
The metal powder used in Thermit welding of steel is:

(a) Al       (b) Cu            (c) Pb           (d) W

Please log in or register to answer this question.

Welcome to Q&A discussion forum, where you can ask questions and receive answers from other members of the community.

10.4k questions

274 answers

26 comments

14.7k users

...