Metallurgical Engineering
2018 · Paper 1
Take it one question at a time. Try an answer, then check your understanding.
Complete GATE MT 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 49–51 of 65. Imported answers require review unless explicitly marked reviewed.
Question 39
Open questionMTMCQ2 marksNeeds review
If the solid-liquid interface energy increases by 10%, the energy barrier for homogeneous nucleation of a spherical solid from the liquid, will change by:
Your answerChoose one option.
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Consider the following stress state imposed on a material:
. If the material responds elastically with a volumetric strain
, what is its bulk modulus?Your answerChoose one option.
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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 41
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A continuous and aligned carbon-fiber composite consists of 25 vol. % of fibers in an epoxy matrix. The Young’s modulus of fiber and matrix, respectively are
and
. If the composite is subjected to longitudinal loading (iso-strain condition and assuming elastic response), the fraction of load borne by the reinforcement is ______ (to two decimal places)Log in to check the answer
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