Degree of protection required while welding will depend on reactivity of metals, i.e., rate of oxidation and the stability of oxide.

Study for the Canadian Welding Bureau (CWB) Level 3 Exam. Practice with flashcards and multiple choice questions, each question is accompanied by helpful hints and explanations. Prepare thoroughly and boost your exam confidence!

Multiple Choice

Degree of protection required while welding will depend on reactivity of metals, i.e., rate of oxidation and the stability of oxide.

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