Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Esters of phthalic acid Stearic acid estors Tricresyl phosphate Ethylene glycol Esters of phthalic acid Stearic acid estors Tricresyl phosphate Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are 0°C and 1 kgf/cm² 5°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² 0°C and 1 kgf/cm² 5°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Nitrile rubber Butyl rubber Neoprene Thiokol Nitrile rubber Butyl rubber Neoprene Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl butyral Polyvinyl alcohol PVC Polyvinyl acetale Polyvinyl butyral Polyvinyl alcohol PVC Polyvinyl acetale ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the None of these Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer None of these Polymer termination step Condensation of siloxane to silicone Initial hydrolysis of silicone monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for Low temperature thermal insulation as in refrigerator and air conditioners Accoustic control and ceiling for building Packing of delicate electronic gadgets High temperature thermal insulation in furnaces Low temperature thermal insulation as in refrigerator and air conditioners Accoustic control and ceiling for building Packing of delicate electronic gadgets High temperature thermal insulation in furnaces ANSWER DOWNLOAD EXAMIANS APP
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