Metallurgical Engineering
GATE MT format:mcq PYQs
Build your understanding with focused practice from past exam papers.
Questions 281–290 of 379. Imported answers require independent review unless marked reviewed.
Question 15
Open questionMTMCQ1 markNeeds review
The carbide that is primarily responsible for intergranular corrosion in austenitic stainless steel is ____________.
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During low strain rate (≤ 0.1 per second) deformation of a metal at room temperature, the one that deforms by twinning mode is ____________.
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In a tensile creep test of a metal, Nabarro-Herring mechanism is favored over Coble mechanism for ____________.
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Beach marks are commonly observed on the fractured surfaces of metals after a ____________.
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Open questionMTMCQ1 markNeeds review
The length of internal cracks in two samples of the same glass is measured to be
and
. The ratio
of the fracture strength of the two samples is ____________.Your answerChoose one option.
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Two blocks of the same metal are to be welded. The configuration that will undergo the least distortion after welding is
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The most suitable non-destructive testing method for detecting small internal flaws in a dense bulk material is ____________.
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Alligatoring is a defect commonly observed in ____________.
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You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answerQuestion 26
Open questionMTMCQ2 marksNeeds review
Match the reactors / refining sites in Column I with the corresponding refining process in Column II.
Column I: Reactors / refining sites
(P) Blast furnace runner
(Q) AOD
(R) Torpedo car
(S) BOF
Column II: Refining processes
De-carburization
External De-sulfurization
De-phosphorization
External De-siliconization
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Open questionMTMCQ2 marksNeeds review
Match the injection metallurgy techniques in Column I with the corresponding objectives in Column II.
Column I: Injection metallurgy techniques
(P) Aluminium wire feeding
(Q) Calcium treatment
(R) Argon rinsing
(S) Lime powder injection
Column II: Objectives
Inclusion modification
Mixing of liquid steel
De-sulphurization
Deoxidation
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