MCQOPTIONS
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| 1. |
Thickness of stock does not affect the fuel economy of furnaces, if the material to be heated is of |
| A. | low emissivity |
| B. | high thermal conductivity |
| C. | both (a) and (b) |
| D. | neither (a) nor (b) |
| Answer» D. neither (a) nor (b) | |