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In blast furnace , the cup and cone arra...

In blast furnace , the cup and cone arrangement is used :

A

To escape the gases during charging

B

Not to allow the escape of the gases

C

To heat the charge with the gases

D

None of these

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The correct Answer is:
C
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MBD PUBLICATION-GENERAL PRINCIPLES OF ISOLATION OF ELEMENTS-QUESTION BANK
  1. Calcination of an ore means :

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  2. The metal used in storage batteries is :

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  3. In blast furnace , the cup and cone arrangement is used :

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  4. The process of heating the ore strongly in excess of air so that the v...

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  5. Liquid crystals are best used in :

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  6. The existence of two or more crystalline forms of the same substance i...

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  7. In the reverberatory furnace :

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  8. Two compounds having the same crystal structures and analogous formula...

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  9. Which metal is extracted by electrolytic reduction ?

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  10. Refractory materials are used for the construction of furnaces because...

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  11. Roasting is generally done in case of :

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  12. Cupellation process is used in he metallurgy of :

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  13. Crystalline metal can be transformed into metallic glass by :

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  14. An alloy is :

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  15. The electrolytic method of reduction is employed for the preparation o...

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  16. Electrometallurgical process ( electrolysis of fused salt) is employed...

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  17. The metalloid amongst the following is:

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  18. When limestone is heated, carbon dioxide is given off. This operation ...

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  19. The salt which least likely to be found in minerals is

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  20. The role of calcination in metallurgical operations is:

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