In "Imperial Smelting Process" for extraction of zinc, zinc vapour thus produced is quenched in the external condenser by the use of the following:
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Metallurgical Engineering · all questionsExtractive Metallurgy
Extractive Metallurgy
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Identify the correct combination of the following statements.
P. Bessemer converter can be used in copper smelting.
Q. The Mond process for nickel involves reaction of metal with H2 gas.
R. Roasted ZnS concentrates can be smelted in a blast furnace.
S. Magnesium metal can be produced by electrolysis of sea water.
P. Bessemer converter can be used in copper smelting.
Q. The Mond process for nickel involves reaction of metal with H2 gas.
R. Roasted ZnS concentrates can be smelted in a blast furnace.
S. Magnesium metal can be produced by electrolysis of sea water.
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Which elements may be detected by magnetic methods?
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Ores of Tin are
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What are the uses of copper
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Match the metal in Group 1 with the corresponding ores in Group 2.
| Group 1 | Group 2 |
| P. Lead | 1. Columbite |
| Q. Zinc | 2. Cassiterite |
| R. Uranium | 3. Galena |
| S. Niobium | 4. Pitchblende |
| 5. Sphalerite |
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In Zinc recovery system, the zinc containing lead pumped from condensed at a temperature (°C)
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Cassiterite is an important source for
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Match the metallurgical processes in Group 1 with their corresponding reactors type in Group 2.
| Group 1 | Group 2 |
| P. Roasting of sulfide concentrate | 1. Pneumatic reactor |
| Q. L.D. steel making | 2. Retort |
| R. Dwight-Lloyd sintering | 3. Travelling grate reactor |
| S. Zinc extrrction | 4. Fluidised bed reactor |
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In Pidgeon process, the reducing agent used is
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The major advantage of using flash roasters over multi hearth roasters is
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Match the following metals in Group 1 with their production methods in Group 2.
| Group 1 | Group 2/strong> |
| P. Titanium | 1. Mend's process |
| Q. Nickel | 2. Pidgeon's process |
| R. Magnesium | 3. Imperial smelting |
| S. Zinc | 4. Kroll's process |
| 5. Cynidation |
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Which types of chemicals opposes the action of collector by rendering the mineral surface
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Cadmium in zinc leach liquor is removed by cementation using
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Zn is commercially extracted from which of the following minerals?
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What are the uses of Niobium
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Traditional copper converters are
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According to geological survey of India that India had a potential reserve of about . . . . . . . . million ton of bauxite which contain alumina of more than 50%.
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Aluminium is not commercially produced by carbon-thermic reduction primarily, because
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Copper deposits are found in India at the following location:
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