Manganese recovery in steel making is aided by
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Most popular grades among all high-speed steels is designated as
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Which of the following is the consequence of hydrogen embrittlement?
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In the acid Bessemer process, the hot metal should have the following composition:
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During deoxidation of steel, the sequence of addition of elements should be as follows:
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Heat resistance steels possess
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Cobalt in steel
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Ferritic stainless steels are
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Match the practices in
Group 1 with the reactors in
Group 2.
| Group 1 |
Group 2 |
| P. Layered charging of coke and ore |
1. Ladle furnace |
| Q. Oxygen injection through supersonic nozzle |
2. Electric are furnace |
| R. Aluminium wire feeding |
3. Blast furnace |
| S. Foamy slag practice |
4. L.D. converter |
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Hot work tool steels can be classified by
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Carbon in steel
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Post weld heat treatment of martensitic stainless steel weld joint is mandatory if it has carbon content
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Electromagnetic stirring of the liquid steel in continuous casting is primarily used to
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Stainless steels are
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Necessary conditions for removal of phosphorous from liquid steel are
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The main function of the RH process of steel treatment is to
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Chromium-silicon Heat resisting steels are also known as
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Air hardening steels are basically
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Cold shortness happens in the steel due to presence of
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Thin section having thickness lesser than 6mm & width greater than 600mm is called
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