MCQOPTIONS
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| 1. |
In a furnace operation, which is not preheated ? |
| A. | Solid fuels. |
| B. | Hydrocarbon containing fuel gases (e.g. coke oven gas, refinery gas etc.). |
| C. | Both (a) and (b). |
| D. | Neither (a) nor (b). |
| Answer» D. Neither (a) nor (b). | |