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Polymer Science and Engineering

Crystalline transition

Exams

GATE XE

Years

2023
2025

Subjects

Polymer Science and Engineering

Topics

Crystalline transition
Analysis of polymers using IR, XRD, thermal (DSC, DMTA, TGA), optical and electronic techniques
Biopolymers such as PLA, PHA/PHB
Choice of polymers for blending, blend miscibility-miscible and immiscible blends
Concept of intermolecular order (morphology)
Concept of molecular weight distribution and its significance
Copolymerization
Cross-linking and vulcanization
Different compounding ingredients for rubber and plastics and their function
Extrusion
Glass transition
Injection molding
Kinetics of polymerization
Measurements of rheological parameters by capillary rotating parallel plate, cone-plate rheometer
Melting transition
Molecular/segmental deformations at different zones and transitions
Natural and synthetic rubbers
Particulate, long and short fibre reinforced composites
Polymer Science
Polymer crystallinity
Polymer processing
Polymer reinforcement
Recycling of thermoplastics, thermosets and rubbers
Solubility and swelling
Techniques for polymerization
Thermodynamics
Twin screw extruder
Visco-elasticity- creep and stress relaxations
Viscosity and rheology
Vulcanization kinetics
X-ray Diffraction

List of top Polymer Science and Engineering Questions on Crystalline transition asked in GATE XE

Under which combination of conditions does the glass transition of a polymer increase?

GATE XE - 2025
GATE XE
Polymer Science and Engineering
Crystalline transition

Consider the structure of a crosslinked polymer shown in the figure. From the options given, identify the monomers that are used in the synthesis of the polymer.

GATE XE - 2023
GATE XE
Polymer Science and Engineering
Crystalline transition