Polymer Technology The rate controlling step in the manufacture of silicone rubber is the None of these Polymer termination step Initial hydrolysis of silicone monomer Condensation of siloxane to silicone None of these Polymer termination step Initial hydrolysis of silicone monomer Condensation of siloxane to silicone ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Rotational moulding Injection moulding Extrusion Compression moulding Rotational moulding Injection moulding Extrusion Compression moulding 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%) ? Teflon Cellulose acetate Water impermeable cellophane Polythene Teflon Cellulose acetate Water impermeable cellophane Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are 50°C and 1 kgf/cm² 250°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 250°C and 10 kgf/cm² 50°C and 1 kgf/cm² 250°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 250°C and 10 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Butyl rubber Nitrile rubber Neoprene Thiokol Butyl rubber Nitrile rubber Neoprene Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Asbestos Carborundum Phthalic acid Barium salt Asbestos Carborundum Phthalic acid ANSWER DOWNLOAD EXAMIANS APP