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Engineering
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ME Set-2
Manufacturing Technology
43

Manufacturing Technology MCQ with Answers

43) In metallic arc welding the electrode may be

Flux coated

Bare

Either (A) or (B)

None

Answer is:

Either (A) or (B)

Manufacturing Technology MCQ with Answers

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Related Manufacturing Technology MCQ with Answers

44) The flux coated on electrode serves which of the following

Forms a layer of slag at the weld surface

Acts as a protective blanket from atmospheric oxidation

dissolves oxides and other impurities already present in molten pool

All of the above

Answer is:

All of the above

45) The slag formed in case of metallic arc welding must have ______ fluidity.

Low

High

Medium

None

Answer is:

High

46) In case of metallic arc welding the electric current may be

A.C only

D.C only

A.C or D.C

None of the above

Answer is:

A.C or D.C

47) In metallic arc welding when electrode is connected to negative terminal of the electric supply, maximum heat is produced at

Electrode tip

Work piece

Either (A) or (B)

None

Answer is:

Work piece

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