List of top Metallurgical Engineering Questions asked in GATE Metallurgical Engineering

When cracks propagate in a brittle material, the following option(s) is/are correct

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 forming
(3) Drawing
(4) Forging

In rolling, the point on the surface of contact between roll and sheet where surface velocity of the roll is equal to velocity of the sheet is referred as

Among the following options, a process for liquid-liquid separation is

The most effective concentration step for sulfide ores is

The gas distribution in a blast furnace is controlled by the shape of

Magnitude of Burgers vector of the dislocation resulting from reaction of dislocations with Burgers vectors \( \frac{a}{2}[101] \) and \( \frac{a}{2}[0\bar{1}\bar{1}] \) is

Diamond has low

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

For laminar fluid flow through a smooth circular tube, the relation between friction factor (\(f\)) and Reynolds number (\(Re\)) is