Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polypropylene Terylene PVC Polybutadiene Polypropylene Terylene PVC Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Neither solid nor liquid Combination of solid & liquid Solid Liquid Neither solid nor liquid Combination of solid & liquid Solid Liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Aluminium triethyl combined with titanium tetrachloride Ni V₂O₅ Fe Aluminium triethyl combined with titanium tetrachloride Ni V₂O₅ Fe ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Flexibility All of these Tensile strength Chemical resistance Flexibility All of these Tensile strength Chemical resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Thermoplastic Thermosetting Elastometric Brittleness Thermoplastic Thermosetting Elastometric Brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Plexiglass or lucite Thiokol Dacron Teflon Plexiglass or lucite Thiokol Dacron Teflon ANSWER DOWNLOAD EXAMIANS APP