Give the equation of force and mass added to achieve stress in HDT.
[3 marks]Derive the factors which influence the results of HDT.
[4 marks]Explain the method and sample size of VSP.
[7 marks]Explain Dielectric constant in brief.
[3 marks]Explain the theory of Surface resistivity.
[4 marks]What is Arc resistance and what is the need to check arc property?
[7 marks]Explain volume resistivity, give ASTMD and derive its importance.
Explain the factors affecting flammability.
[3 marks]Derive luminous transmittance and haze briefly.
[4 marks]What is LOI and give the standard of the same.
[7 marks]What is Glass Transition temperature?
[3 marks]Give the full form of DSC, TGA, TMA and DMA.
[4 marks]Explain different attachments of DMA and explain its importance.
[7 marks]Give the name of the instrument used to analyze weight change with increase in temperature.
[3 marks]Explain the instrument use to measure Tm, Tg and enthalpy.
[4 marks]Explain oxygen index test wit neat sketch.
[7 marks]What is chemical resistance?
[3 marks]Does UV radiation affect mechanical strength? How?
[4 marks]Explain the instrument use to measure weight change with increase in temperature.
[7 marks]What is the standard followed to measure ESCR?
[3 marks]Explain three dimension banding.
[4 marks]Explain flammability with neat sketch and standard.
[7 marks]What is solvent stress cracking resistance?
[3 marks]Explain importance of thermal analysis.
[4 marks]Draw the resulting graph of DSC having Tg,Tm and Tc.
[7 marks]