Metallurgical Engineering
GATE MT purpose:exam-prep PYQs
Build your understanding with focused practice from past exam papers.
Questions 471–480 of 650. Imported answers require independent review unless marked reviewed.
Question 6
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The variation of standard free energies for two oxides AO and BO with temperature are shown below.
The correct statement with reference to the above figure is
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Terminal rise velocity of a spherical shaped solid in a liquid obeys the following functional relationship:
Where,
is the terminal rise velocity,
is the diameter of the solid,
is the apparent weight of the solid,
is the viscosity of liquid and
is the density of liquid. According to Buckingham Π theorem, the number of independent dimensionless variables needed to describe the phenomenon isYour answerChoose one option.
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Consider electrodeposition of copper on a copper electrode from an aqueous solution containing
CuSO₄. Given: Faraday constant,
per gram equivalent. Assume transport of reactant is rate limiting, and mass transfer coefficient is
. The limiting current density (in
) isYour answerChoose one option.
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The correct sequence of steelmaking operations is [BOF: Basic Oxygen Furnace; LF: Ladle Furnace; VD: Vacuum Degassing; CC: Continuous Casting].
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The common ore of titanium is
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Coarse suspended particles are to be separated from a flowing gas in a dust catcher. All factors remaining same, maximum gas-solid separation is expected from the dust catcher shown below.
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The Boudouard (or, carbon gasification) reaction is ____________.
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The fastest diffusing element in iron at 1100 °C is ____________.
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Hydrogen bonds are stronger than ____________.
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The carbide that is primarily responsible for intergranular corrosion in austenitic stainless steel is ____________.
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