In TIG welding, thoriated tungsten electrodes are used, because it

Question: In TIG welding, thoriated tungsten electrodes are used, because it
[A].

has higher current carraying capacity.

[B].

has better electron emissivity.

[C].

is stronger than ordinary tungsten.

[D].

is easy to prepare.

Answer: Option B

Explanation:

No answer description available for this question.