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  1. For gas welding, the pressure desired at the welding torch for acetylene is

    2. A.

     7 to 103 kN/m²
    B.

     70 to 280 kN/m²
    C.

     280 to 560 kN/m²
    D.

     560 to 840 kN/m²

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    Workspace

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    Answer : Option A

    Explanation :

    A welding torch head is used to weld metals those are difficult to weld by using electrode. It can be identified by having only one or two pipes running to the nozzle, no oxygen-blast trigger, and two valve knobs at the bottom of the handle letting the operator adjust the oxygen and fuel flow respectively.

    For gas welding, the pressure desired at the welding torch for acetylene is 7 to 103 kN/m²

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