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

Chemical Engineering Mcqs

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

(A)  Has higher current carrying capacity

(B)  Has better electron emissivity

(C)  Is stronger than ordinary tungsten

(D)  Is easy to prepare

Submitted By :Ali Uppal

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