Write about Archimedes Principle.
[3 marks]How can you obtain relative density of a substance which floats in water?
[4 marks]Discuss in detail about ‘Young’s modulus’ and ‘Shear Modulus’.
[7 marks]Write about the Rclass and Qclass of rubbers with example.
[3 marks]Give the general rules for polymer solubility.
[4 marks]Explain in detail about the characteristics properties of rubber.
[7 marks]Write a short note on ‘Suspension polymerization technique’.
[7 marks]Define the terms: (i) Reflection (ii) Refraction (iii) Critical angle
[3 marks]Differentiate ‘vibrations’ and ‘waves’.
[4 marks]Explain in detail about refractive index of polymers.
[7 marks]Mention the purpose of using pigment in rubber industries. Classify the types of it.
[3 marks]Discuss about the effect of fillers and processing oils on transmissibility.
[4 marks]Explain in detail about electromagnetic radiation and its properties.
[7 marks]State the Fourier’s law of heat conduction. And represent it mathematically.
[3 marks]Write about the different modes of heat transfer.
[4 marks]Explain in detail about mass and molar concentrations with ideal gas mixture theory.
[7 marks]What do you mean by thermal conductivity? Write its unit.
[3 marks]Write about the terms: absorptivity, reflectivity and transmissivity.
[4 marks]Explain in detail about the Fick’s law of diffusion.
[7 marks]Write about multimolecular colloids and macromolecular colloids.
[3 marks]Give any four applications of colloids.
[4 marks]Explain the dialysis method for purification of colloidal solution in detail.
[7 marks]Write about the brownian movement exhibited by colloidal solution.
[3 marks]What do you mean by Gel? Give importance of it.
[4 marks]Discuss in detail about the comparison of lyophilic sols and lyophobic sols.
[7 marks]