Q: – Would you consider using a 5mm electrode for vertical up root runs in a 6G (HL045) fixed position pipe?

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1. Yes ,it is compatability
2. Yes but this would depend upon the welder skill
3. No,it is not the most suitable electrode coating type
4. No, the electrode should have been smaller in diameter

Q:-High Phosphorous contents in carbon steels may cause :

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(a) Cold shortness.

(b) Hot shortness.

(c) An increase in ductility.

(d) An increase in malleability.