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Q. |
Volume of air required to melt one ton of cast iron in a cupola at N.T.P. is roughly |
A. | 10000 cubic metres of air |
B. | 10 cubic metres of air |
C. | 100000 cubic metres of air |
D. | 100 cubic metres of air |
E. | 1000 cubic metres of air |
Answer» D. 100 cubic metres of air |
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