Polymer Technology Unbreakable crockeries are made from __________ polymers. Melamine Polystyrene Polystyrene Polyurathane Melamine Polystyrene Polystyrene Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 150 100 350 450 150 100 350 450 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are - 20°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² - 20°C and 1 kgf/cm² 0°C and 1 kgf/cm² 0°C and 3 kgf/cm² 5°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Impart flexibility Improve workability during fabrication Develop new improved properties not present in the original resin All of these Impart flexibility Improve workability during fabrication Develop new improved properties not present in the original resin All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Extrusion Injection Transfer Compression Extrusion Injection Transfer Compression ANSWER DOWNLOAD EXAMIANS APP