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Furnace Technology-Data Intensity 1 Multiple Questions and Answers.
| 1. | Which of the following variables affects the furnace capacity ? | ||
| A. | Temperature of flue gas | ||
| B. | Thermal conductivity of stock | ||
| C. | Thickness of heating stock | ||
| D. | All of Above | ||
| 2. | Scaling of furnace stock is reduced by ______ in flue gas? | ||
| A. | CO | ||
| B. | H2 | ||
| C. | High CO/CO2 | ||
| D. | All of Above | ||
| 3. | An improved and fuel efficient version of the pusher type reheating furnace is the ____ furnace? | ||
| A. | Walking beam | ||
| B. | Shaft | ||
| C. | Tunnel | ||
| D. | Rotary hearth | ||
| 4. | Forced recirculation of furnace gases is practised___? | ||
| A. | To increase heat transfer by convection | ||
| B. | To ensure uniform temperature | ||
| C. | In furnaces, operating below 750°C | ||
| D. | All of Above | ||
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