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What is the initial oxygen pressure provided through the lance?

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in Casting-Forming-Welding II by (119k points)
What is the initial oxygen pressure provided through the lance?

(a) 1 atm to 2 atm

(b) 2 atm to 3 atm

(c) 3 atm to 4 atm

(d) 4 atm to 5 atm

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I'm obligated to ask this question of Oxygen Cutting topic in portion Welding and Related Processes of Casting-Forming-Welding II

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Correct answer is (a) 1 atm to 2 atm

To elaborate: In oxygen lance cutting, jet of oxygen is passed through steel pipes, and by doing this, holes are produced. For doing this, the jet of oxygen is passed through the lancer under the pressure of 1 atm to 2 atm.

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