Sophisticated Testing of Polymers and Rubbers — Winter 2023

Define following standards: i) BS ii) ASTM iii) AISI

Write a short note on: 1. Standards 2. Specifications

What are the physico chemical properties of polymer? Give their relationships with other properties and its significance?

What is the difference between ODR and MDR?

Explain Mass Spectrometry with its significance in Polymer Characterizations?

Enlist the different types of standards used in industries? Give the points to remember when using standards?

With working principle, mechanism, neat sketch and polymer based applications, explain TGA?

Define in brief: Resonance spectrometry

Explain in brief about Gas chromatography.

With working principle, mechanism, neat sketch and polymer based applications, explain IR Spectroscopy?

Define : storage modulus, loss modulus and tanδ

Write a short note on vicat softening temperature.

What is Tg of a polymer? How to determine it?

What do you mean by impact resistance?

Explain the practical significance of X-Ray Diffraction Technique in testing polymer samples?

What is UV Spectroscopy? Explain it with proper schematic and principle of working?

What do you mean by limiting oxygen index?

Explain in brief about tear testing of polymers.

What is XRD? How it is beneficial in polymer characterization?

Explain in brief about refractive index.

What do you mean by stress cracking?

Write a detailed note on DSC.

Enlist different electrical and mechanical properties of polymer.

What are the different material characterization tests?

Explain the basic principle and working of UTM.1