Physical Metallurgy MCQ Questions and Answers | Metallurgical Engineering
Enhance your knowledge of Physical Metallurgy with this comprehensive collection of MCQ questions and answers. These MCQ questions and answers in Physical 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-5 section-2
Each section contains 100 MCQs on
Physical Metallurgy .
A liquid alloy of the eutectic composition (L) undergoes the eutectic reaction to give α and β phases of compositions a and b respectively. The ratio of the relative amounts of α and β phases is
A steel contains 38.5 mass % pro-eutectoid ferrite and 61.3 mass % austenite at eutectoid temperature (723°C). The carbon content of steel, in mass %, is
Stainless steel A has a stacking fault energy of 8 mJ.m-2 and stainless steel B has a stacking fault energy of 45 mJ. m-2. The correct statement out of the following are.
P. A will have a wider stacking faults than B
Q. A will strain harden more rapidly than B
R. A and B will develop similar type of substructure
S. A and B will have the same temperature dependence of flow stress.
According to Hume-Rothery rules, extensive solid solubility between elements X and Y is promoted by the two factors in the following list.
P. Same crystal structure of Z and Y.
Q. Large atomic size difference (> 20%) between X and Y.
R. Same valance of X and Y.
S. Large difference in melting points of X and Y.
