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To weld metals together, high temperature is required. Such a high temperature is obtained by burning
- a)Acetylene in oxygen
- b)LPG in oxygen
- c)Methane in oxygen
- d)Acetylene in nitrogen
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
To weld metals together, high temperature is required. Such a high tem...
Understanding Welding Temperatures
Welding is a process that requires high temperatures to melt and fuse metals together effectively. The choice of fuel gas plays a crucial role in achieving the necessary heat.
Why Acetylene?
- Acetylene is the most efficient fuel gas for welding due to its high flame temperature when burned in oxygen.
- The flame temperature can reach approximately 3,500 degrees Celsius (6,332 degrees Fahrenheit), making it ideal for welding various metals.
Comparison with Other Fuels
- LPG (Liquefied Petroleum Gas): While it burns at high temperatures, around 1,980 degrees Celsius (3,596 degrees Fahrenheit), it is not as effective as acetylene for welding tasks.
- Methane: This gas burns at a lower temperature, approximately 1,650 degrees Celsius (3,002 degrees Fahrenheit), making it less suitable for high-precision welding.
- Acetylene in Nitrogen: This combination does not achieve the same high temperatures as acetylene in oxygen, thus making it ineffective for welding.
Conclusion
Acetylene, when burned in an oxygen atmosphere, provides the highest flame temperature necessary for effective welding. This capability makes it the preferred choice among professionals in the welding industry. Thus, option 'A'—acetylene in oxygen—is the correct answer for achieving the high temperatures required to weld metals together.
Welding is a process that requires high temperatures to melt and fuse metals together effectively. The choice of fuel gas plays a crucial role in achieving the necessary heat.
Why Acetylene?
- Acetylene is the most efficient fuel gas for welding due to its high flame temperature when burned in oxygen.
- The flame temperature can reach approximately 3,500 degrees Celsius (6,332 degrees Fahrenheit), making it ideal for welding various metals.
Comparison with Other Fuels
- LPG (Liquefied Petroleum Gas): While it burns at high temperatures, around 1,980 degrees Celsius (3,596 degrees Fahrenheit), it is not as effective as acetylene for welding tasks.
- Methane: This gas burns at a lower temperature, approximately 1,650 degrees Celsius (3,002 degrees Fahrenheit), making it less suitable for high-precision welding.
- Acetylene in Nitrogen: This combination does not achieve the same high temperatures as acetylene in oxygen, thus making it ineffective for welding.
Conclusion
Acetylene, when burned in an oxygen atmosphere, provides the highest flame temperature necessary for effective welding. This capability makes it the preferred choice among professionals in the welding industry. Thus, option 'A'—acetylene in oxygen—is the correct answer for achieving the high temperatures required to weld metals together.
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To weld metals together, high temperature is required. Such a high temperature is obtained by burninga)Acetylene in oxygenb)LPG in oxygenc)Methane in oxygend)Acetylene in nitrogenCorrect answer is option 'A'. Can you explain this answer?
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To weld metals together, high temperature is required. Such a high temperature is obtained by burninga)Acetylene in oxygenb)LPG in oxygenc)Methane in oxygend)Acetylene in nitrogenCorrect answer is option 'A'. Can you explain this answer? for Defence 2025 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about To weld metals together, high temperature is required. Such a high temperature is obtained by burninga)Acetylene in oxygenb)LPG in oxygenc)Methane in oxygend)Acetylene in nitrogenCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Defence 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for To weld metals together, high temperature is required. Such a high temperature is obtained by burninga)Acetylene in oxygenb)LPG in oxygenc)Methane in oxygend)Acetylene in nitrogenCorrect answer is option 'A'. Can you explain this answer?.
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