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Steel Making in Metallurgy MCQ Questions and Answers | Metallurgical Engineering

Enhance your knowledge of Steel Making in Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Steel Making in Metallurgy are specifically designed for students of Metallurgical Engineering who are preparing for the GATE Exam. Strengthen your preparation and excel in your studies with this valuable resource. Page-4 section-1

31
What are the properties of synthetic slag
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Answer: Option D
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32
Stainless steel is most commonly produced using the . . . . . . . . process.
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Answer: Option D
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33
During LD blow in steel making the impurity that gets removed first is
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Answer: Option D
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34
A steel sample which has been deoxidised with Fe - Mn at 1600°C contains 0.51 wt%Mn. The equilibrium constant for dissolution of MnO in steel with 1 wt% standard state is 0.051. the residual oxygen level in the sample is . . . . . . . . wt%
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Answer: Option C
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35
Zinc in steel
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Answer: Option D
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36
What is the refining period for LD convertor?
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Answer: Option A
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37
In steel making, the addition of bauxite is done to
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Answer: Option C
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38
In a good rimming steel
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Answer: Option A
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39
Stainless steel used for making sharp edge components (like knife, surgical items etc.) is
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Answer: Option C
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40
Ladle deoxidation of liquid steel is done at 1600°C by adding ferro-aluminium. By assuming Stokes law behaviour, time (in s) required for alumina particles of 50 μm diameter to float to the surface from a depth of 2 m would be
[Given: density of steel = 7000 kg/m3, density of alumina = 3650 kg/m3, viscosity of steel = 6 × 10-3 kg/m/s]
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Answer: Option C
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