Engineering Sciences
GATE XE Processing of Materials PYQs
Build your understanding with focused practice from past exam papers.
How to practice Processing of Materials
Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.
Questions 1–10 of 15. Imported answers require independent review unless marked reviewed.
Question 46
Open questionXE-CMCQ1 markNeeds review
Which one of the following polymer processing techniques involves shaping a heated sheet?
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Open questionXE-CMSQ1 markNeeds review
Which of these methods is/are used for the synthesis of ceramic powders?
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Open questionXE-CNAT2 marksNeeds review
A circular disk-shaped ceramic green body has a relative density of 50%. On sintering, both the height and the diameter of the disk shrink by 20%. The sintered disk’s relative density, in %, is ________ (rounded off to one decimal place).
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Open questionXE-CNAT2 marksNeeds review
Corrosion of pure iron takes place in an acidic electrolyte by forming Fe
ions at ambient condition. The corrosion current density is measured to be
A cm
. The corrosion rate (in mm per year) of iron is (rounded off to one decimal place) ____________Given: Atomic weight of iron = 55.85
Density of iron = 7.86 g cm
Consider 365 days in a year
1 Farad = 96500 Coulomb mol
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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 47
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In ball milling of ceramic powder, selection of grinding media depends on the __________ difference between grinding media and powder particles.
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Open questionXE-CMSQ2 marksNeeds review
For chemical vapour deposition (CVD) process, which of the following statements is/are correct?
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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 58
Open questionXE-CMCQ2 marksNeeds review
A student aims to deposit a thin metallic film on SiO₂ substrate, with an adhesion layer between the metal film and substrate, in a contiguous planar fashion. Island type of growth must be avoided. The student performs an extensive optimization exercise. Which one of the following steps is in the right direction?
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Which of the following deposition conditions favor the formation of larger grains in thin film?
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Match the heat treatment process given in Column I with the most suitable outcomes in Column II.
Column I
(P) Quenching
(Q) Annealing
(R) Tempering
(S) Carburizing
Column II
(1) hardens the steel
(2) softens the cold worked steel
(3) toughens the steel
(4) hardens the surface of steel
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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 21
Open questionXE-CNAT2 marksNeeds review
A certain ceramic has a theoretical density and sintered density of 6.76 g cm
and 6.60 g cm
, respectively. The green compact has 18 volume percent porosity. For a sintered cube of side 2 cm, the required side of the cube green compact in cm is ________ (round off to 2 decimal places)Log in to check the answer
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