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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-6 section-2

Each section contains 100 MCQs on Physical Metallurgy .
51
Ellingham diagram for M - MOx reaction is a plot of
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Answer & Solution
Answer: Option B
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52
Shottkey defect is a
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Answer & Solution
Answer: Option A
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53
Which one of the following does not improve fatigue life of steel component?
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Answer: Option B
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54
As per TTT diagram, bainite will form in eutectoid plain carbon steel, when heated to 850° followed by
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Answer: Option D
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55
Arrange the following in terms of increasing severity of quench.
P. Oil quenching
Q. Water quenching
R. Water quenching with agitation
S. Brine quenching
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Answer & Solution
Answer: Option A
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56
Coordination number in FCC crystal structure
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Answer: Option C
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57
In a binary isomorphous system A-B, constitutional supercooling can occur in the
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Answer: Option C
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58
Martensitic transformation in plane carbon steel occurs by
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Answer: Option B
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59
A 0.2 wt.% plain carbon steel sheet is heated and equilibrated in the inter-critical region followed by instant water quenching. The microstructure of the quenched steel sheet consists of
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Answer: Option B
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60
A material with grain size of ASTM No.6 has a lattice frictional stress 100 MN/m2 and locking parameter (Hall-Petch constant) 0.10 MN/$${m^{\frac{3}{2}}}$$
Grain size of the material is approximately
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Answer: Option A
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