Manufacturing Technology MCQ with Answers

Manufacturing Technology MCQ with Answers

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

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

Answer is:

Work piece

48) In metallic arc welding when electrode is connected to positive terminal of electric supply maximum heat is produced at

Answer is:

Electrode tip work piece

49) In resistance welding process heat is produced by the resistance offered by ______ for the flow of electric current throught it

Answer is:

Work piece

50) In resistance welding due to the resistance to the flow of current ______ is produced

Answer is:

Heat

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