Polymer Technology Dacron is a None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Injection Transfer Extrusion Compression Injection Transfer Extrusion Compression ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Better heat & acid resistant properties Poorer dyeability Poorer resistance to alkalis All of these Better heat & acid resistant properties Poorer dyeability Poorer resistance to alkalis All of these 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 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 0°C and 1 kgf/cm² 5°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Phosphorous Rosin Pine oil Carbon black Phosphorous Rosin Pine oil Carbon black ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Brittleness Thermosetting Elastometric Thermoplastic Brittleness Thermosetting Elastometric Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
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