Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.38 0.56 0.91 0.81 0.38 0.56 0.91 0.81 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. Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Ethylene dichloride Chloroethene Ethyl chloride Chloroform Ethylene dichloride Chloroethene Ethyl chloride Chloroform 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 rubbers has the widest service temperature range (-75 to 275°C) ? Nitrile rubber Butyl rubber Silicon rubber Silicone rubber Nitrile rubber Butyl rubber Silicon rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an Rigid foam Engineering plastic Spongy rubber Thermosetting polymer Rigid foam Engineering plastic Spongy rubber Thermosetting polymer ANSWER DOWNLOAD EXAMIANS APP
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