Chromium molybdenum steel cannot be welded using ______________ weldin

1.	Chromium molybdenum steel cannot be welded using ______________ welding ?
A.	Thermit
B.	Electrical resistance
C.	Oxy-acetylene
D.	Any of these
Answer» C. Oxy-acetylene

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Chromium molybdenum steel cannot be welded using ______________ welding ?

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