Polymer Technology Which of the following low molecular weight ( Cellulose acetate PVC Polyvinyl acetate Thiokol Cellulose acetate PVC Polyvinyl acetate Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Strength Weathering characteristics Elasticity Plasticity Strength Weathering characteristics Elasticity Plasticity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyolefins Polyacrylate Polyamide Polyurathane Polyolefins Polyacrylate Polyamide Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Make it non-inflammable Make it thermosetting Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable Make it thermosetting Protect it from deterioration on exposure to air ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Teflon Polyester Nylon-66 Bakelite Teflon Polyester Nylon-66 Bakelite ANSWER DOWNLOAD EXAMIANS APP
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