Polymer Technology Starting material for the production of SBR is Ethyl alcohol Ethylene Neither A nor B Both A & B Ethyl alcohol Ethylene Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Does not vary with temperature rise Decreases with increase in molecular weight Decreases with increase in temperature Increases with increase in temperature Does not vary with temperature rise Decreases with increase in molecular weight Decreases with increase in temperature Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose None of these Camphor Glycerol Nitro cellulose None of these Camphor Glycerol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Dyeing/colouring Detergent solution washing Improving the stretchability Glycol soaking Dyeing/colouring Detergent solution washing Improving the stretchability Glycol soaking ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Initial hydrolysis of silicone monomer Polymer termination step None of these Condensation of siloxane to silicone Initial hydrolysis of silicone monomer Polymer termination step None of these Condensation of siloxane to silicone ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polymer of two monomers? Teflon None of these Bakelite SBR Teflon None of these Bakelite SBR ANSWER DOWNLOAD EXAMIANS APP