Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are - 20°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² - 20°C and 1 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Carborundum Phthalic acid Asbestos Barium salt Carborundum Phthalic acid Asbestos ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyethyl acrylate PMMA None of these Polyacrylonitrile Polyethyl acrylate PMMA None of these Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Cellulose acetate Water impermeable cellophane Teflon Polythene Cellulose acetate Water impermeable cellophane Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of Its linear chain structure The absence of chlorine atoms in its monomer Its cross-linked structure The presence of chlorine atoms in its monomer Its linear chain structure The absence of chlorine atoms in its monomer Its cross-linked structure The presence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of PVC Polyamides Silicone rubber Polyurethanes PVC Polyamides Silicone rubber Polyurethanes ANSWER DOWNLOAD EXAMIANS APP