Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyacrylonitrile None of these PMMA Polyethyl acrylate Polyacrylonitrile None of these PMMA Polyethyl acrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural fibre? Cotton Viscose rayon Wool Silk Cotton Viscose rayon Wool Silk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Transparency improver Hardeners Plasticisers Anti-shrinkage agents Transparency improver Hardeners Plasticisers Anti-shrinkage agents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its impact strength Improve its elasticity Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its impact strength Improve its elasticity Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Automobile steering wheels are normally made of PVC High density polythene Cellulose acetate Cellulose nitrate PVC High density polythene Cellulose acetate Cellulose nitrate ANSWER DOWNLOAD EXAMIANS APP