Which of the gases can be used to form a protective env - Practice (English) | ObjectiveMcq

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Which of the gases can be used to form a protective env - Practice (English) | ObjectiveMcq

PracticeElectrical And ElectronicsWeldingWhich of the gases can be used to f...

Welding Electrical And ElectronicsEasy

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Which of the gases can be used to form a protective envelope in arc welding?

Correct Answer:

(D) Helium and Carbon dioxide

Explanation:

Helium and Carbon dioxide

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