Gases Used For Gas Welding?
- Oxygen + Acetylene
- Acetylene + Carbon
- Oxygen + Hydrogen
- None above
Explanation
Oxy-acetylene welding:
This is the most common type of gas welding, where oxygen and acetylene are mixed to produce a high-temperature flame that melts the metal pieces to be joined.
Additional information:
ii. (Acetylene + Carbon):
While acetylene is a key component in gas welding, it needs oxygen to create the combustion necessary for the welding process.
Carbon alone doesn't provide the necessary oxidation.
iii. (Oxygen + Hydrogen):
Although oxygen is used in welding, hydrogen is not typically used in this context.
Hydrogen and oxygen can form water vapor, which could hinder the welding process.
Related MCQs
- Reactive metals
- Alkali metals
- Noble metals
- Transition metals
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کاربونیٹڈ پانی کس چیز کا محلول ہے؟
- Water oxidised by carbon at high temper
- Carbon in water under high pressure
- Carbon is oxidised by water under high pressure
- None of these
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کس قسم کے ردِعمل میں کے سی درجہ حرارت کے ساتھ براہِ راست بڑھتا ہے؟
- Neutralization reaction
- Endothermic
- Exothermic
- None of these
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درج ذیل میں سے کون سا تیزابی بفر ہے؟
- HCN+NaCN
- CH3COOH+NH4Cl
- HCl+NaCl
- HCL+NH4Cl
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- Electricity
- Freezer
- O₂
- None of these
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