Engineering Sciences
GATE XE Polymer blends and composites PYQs
Build your understanding with focused practice from past exam papers.
Questions 21–23 of 23. Imported answers require independent review unless marked reviewed.
Question 106
Open questionXE-FMCQ1 markNeeds review
The impact strength of polystyrene can be enhanced by blending/mixing with
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Open questionXE-FNAT2 marksNeeds review
A composite of polypropylene reinforced with 20% by volume of glass fibre is to be prepared. If the density of glass fibre is 2540 kg/m³ and polypropylene is 900 kg/m³, then the mass of glass fibre required per kg of composite is ______ g (round off answer to the nearest whole number).
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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 120
Open questionXE-FNAT2 marksNeeds review
Given T_g of polymer A is 100 °C and that of polymer B is -100 °C, then the T_g of a miscible blend of A and B containing 30 wt% of A is ______ °C (round off final answer to a single digit after decimal point).
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