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. 90 75 99 50 90 75 99 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major component of acrylic fibres is Polyamides Polyesters Polyacrylonitrile Polyolefins Polyamides Polyesters Polyacrylonitrile Polyolefins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Teflon Plexiglass or lucite Thiokol Dacron Teflon Plexiglass or lucite Thiokol Dacron 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 Siloxane elastomers Polyamides Vinyl polymers Urea-formaldehyde resins Siloxane elastomers Polyamides Vinyl polymers Urea-formaldehyde resins 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. Thermosetting Brittleness Elastometric Thermoplastic Thermosetting Brittleness Elastometric Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism ANSWER DOWNLOAD EXAMIANS APP
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