Multiple choice question for engineering Set 1 1. The welding process in which no filler metal is used is classified as ___________ a) Autogenous b) Homogeneous c) Heterogeneous d) Fusion 2. The pressure of acetylene in welding torch for oxy-acetylene welding is maintained at _________ a) 0.66-1.0 bar b) 0.1-3.5 bar c) 0.5-3.5 bar d)…

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