7) What is the name of furnace to obtain cast iron?
| ढलवां लोहा बनाने के लिए किस भट्ठी का उपयोग किया जाता है?
A) Cupola |कपोला
-
B) Mild steel - Blast furnace | माइल्ड स्टील
ब्लास्ट फर्नेस
C) Steel - Rever battery | स्टील - रेवर बैटरी
O
D) Alloy metal - Electric furnace | एलॉय मेटल
इलेक्ट्रिक फर्नेस
Answers
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Answer:
according to me option b is correct answer
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