Polymer Technology The physical state in which polymers exist is All of these Partially crystalline state Amorphous glassy state Melts & rubber like state All of these Partially crystalline state Amorphous glassy state Melts & rubber like state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are made by addition polymerisation reaction only Are cross-linked polymers only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 75 50 99 90 75 50 99 90 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? PVC Polythene Bakelite Teflon PVC Polythene Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Natural Synthetic Spandex Acrylic Natural Synthetic Spandex Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In nylon-6, the number 6 represents the total number of Hydrogen atoms in the ring Carbon atoms in the ring Carbon atoms in the linear polymer chain Nitrogen atoms in the ring Hydrogen atoms in the ring Carbon atoms in the ring Carbon atoms in the linear polymer chain Nitrogen atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
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