धातु गलाने के लिए भट्ठी में उच्च ताप कैसे प्राप्त किया जाता था?
How was high temperature achieved in furnaces for smelting metal?
Explanation opens after your attempt
B. हवा के तेज प्रवाह सेBy supplying a strong flow of air
Concept
A strong airflow made the fuel burn more intensely and raised the temperature. Understand the role of bellows.
Why this answer is correct
The correct answer is B. हवा के तेज प्रवाह से / By supplying a strong flow of air. A strong airflow made the fuel burn more intensely and raised the temperature. Understand the role of bellows.
Exam Tip
हवा के प्रवाह से ईंधन अधिक तीव्र जलता और ताप बढ़ता था। परीक्षा में धौंकनी का कार्य समझें।
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