Polymer Technology Which of the following is not a polyolefin? Polystyrene Neoprene None of these Polypropylene Polystyrene Neoprene None of these Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyester Polystyrene Polyurathane High density polythene Polyester Polystyrene Polyurathane High density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² 0°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 3 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Urea-formaldehyde resins Polyamides Siloxane elastomers Vinyl polymers Urea-formaldehyde resins Polyamides Siloxane elastomers Vinyl polymers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure Have three dimensional structure None of these Are formed by addition polymerisation Have linear structure Have three dimensional structure None of these Are formed by addition polymerisation 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 Chemical resistance All of these Tensile strength Flexibility Chemical resistance All of these Tensile strength Flexibility ANSWER DOWNLOAD EXAMIANS APP