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Furnace Technology-Data Intensity 2 Multiple Questions and Answers.
| 6. | Pulverised fuel fired furnaces employ _____ fuel firing? | ||
| A. | Horizontal | ||
| B. | Vertical | ||
| C. | Tangential | ||
| D. | All of above | ||
| 7. | Main gas valve in a gaseous fuel burner is a ____ valve? | ||
| A. | Gate | ||
| B. | Butterfly | ||
| C. | Globe | ||
| D. | None of these | ||
| 8. | Which is not a hearth furnace ? | ||
| A. | Glass tank furnace | ||
| B. | Open hearth furnace | ||
| C. | Cupola | ||
| D. | Reheating furnace | ||
| 9. | Combustion of fuel in a furnace with oxygen enriched air results in higher__? | ||
| A. | Flue gas volume | ||
| B. | Flame temperature | ||
| C. | Fuel consumption | ||
| D. | Stack loss | ||
| 10. | Regenerators compared to the recuperators for the same duty___? | ||
| A. | Occupy more space | ||
| B. | Are less costly | ||
| C. | Are of smaller size | ||
| D. | All of above | ||
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