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  1. For gas welding, the pressure desired at the welding torch for oxygen 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 B

    Explanation :

    For gas welding, the pressure desired at the welding torch for oxygen is 70 to 280 kN/m²

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