Engineering Sciences
2022 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE XE 2022 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 58–60 of 175. Imported answers require review unless explicitly marked reviewed.
Question 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?
Your answerChoose one option.
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Open questionXE-CMSQ2 marksNeeds review
For a diffusional transformation (i.e., growth of β precipitates in an α matrix), which of the following is/are true with increasing degree of undercooling?
Your answerSelect all correct options. You can choose more than one.
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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 60
Open questionXE-CNAT2 marksNeeds review
A two-phase (α + β) mixture in an A-B binary system has the following properties:
(i) Phase α has equal weight percentages of A and B.
(ii) Phase β has twice the mole fraction of A compared to B.
(iii) The two-phase mixture has equal amounts of α and β.
(iv) Atomic mass of A is twice that of B.
The mole fraction of A in the resultant two-phase mixture is _________. (Round off to one decimal)
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