Chapter 9 OXY ACETYLENE GAS CUTTING MCQs

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1. . There are --------- valves on a gas cutting torch.





2. . The torch handle provides ………





3. . When oxygen and acetylene are in same quantity, flame obtained is ………





4. . A flame with less oxygen and more acetylene is called as ………





5. . A flame with more oxygen and less acetylene is called as ………





6. . For gas cutting ……… flame is used





7. . For Aluminium, Copper and Cast Iron welding ……… flame is used





8. . In ……… flame, the inner zone consists of a luminous cone that is bluish-white





9. . Base metal turns cherry red at approximate temperature ………





10. . The temperature at the inner cone tip of a Neutral flame is approximately ………





11. . A ……… is a safety device designed to stop a flame in its tracks





12. . The temperature of oxidizing flame is approximately ………





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