Building Materials - Section 7 Multiple Questions and Answers.
Exercise Questions ::
Building Materials
6. | If the ore impurities is |
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| A. | clay, lime stone is used as flux |
| B. | lime stone, clay is used as flux |
| C. | quartz, lime stone and argallaceous iron ores are used as flux |
| D. | All the above. |
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Published by:Michael Daani
Published by:Michael Daani
Published by:Michael Daani
9. | During smelting process, the combination of fuel in the furnace |
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| A. | forms carbon dioxide |
| B. | carbon dioxide with carbon forms carbon mono-oxide |
| C. | carbon mono-oxide reacts with Fe2O3 to form iron and liberates CO2 |
| D. | all the above. |
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Published by:Michael Daani
Published by:Michael Daani
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