Metallurgical Engineering
GATE MT format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 121–130 of 379. Imported answers require independent review unless marked reviewed.
Question 15
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For laminar fluid flow through a smooth circular tube, the relation between friction factor (f) and Reynolds number (Re) is
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Among the following options, a process for liquid-liquid separation is
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The most effective concentration step for sulfide ores is
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The gas distribution in a blast furnace is controlled by the shape of
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Diamond has low
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For self-diffusion in polycrystalline copper with a lattice diffusion coefficient D_L, grain boundary diffusion coefficient D_GB, and surface diffusion coefficient D_S, the correct relationship is
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Magnitude of Burgers vector of the dislocation resulting from reaction of dislocations with Burgers vectors
and
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The mechanism of creep for a single crystal as depicted in the schematic is
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The value of
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Match the defects in Column I with corresponding metal forming techniques in Column II.
Column I: (P) Cold shut; (Q) Zipper breaks; (R) Stretcher strains; (S) Center burst
Column II: (1) Rolling; (2) Sheet metal form; (3) Drawing; (4) Forging
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