Chemical Engineering Basics Mcqs


Q.  Pick out the wrong statement ?

a. Seam welding, projection welding & spot welding are the classification of electrical resistance welding
b. Electrode tip in spot welding is of copper and the tip diameter should be equal to t (where, t = plate thickness to be welded)
c. In spot welding, two pieces to be joined are overlapped and placed between two electrodes
d. Mild steel sheet cannot be spot welded


ANSWER: See Answer
 
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