Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used As grease & lubricant Resin for lamination Hydraulic fluid for heat transfer As room temperature adhesive As grease & lubricant Resin for lamination Hydraulic fluid for heat transfer As room temperature adhesive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Silicon rubber Nitrile rubber Butyl rubber Silicone rubber Silicon rubber Nitrile rubber Butyl rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Improving the stretchability Detergent solution washing Glycol soaking Dyeing/colouring Improving the stretchability Detergent solution washing Glycol soaking Dyeing/colouring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For fibre making As plasticiser for PVC & nitrocellulose For film forming materials For surface coating of automobiles & air crafts For fibre making As plasticiser for PVC & nitrocellulose For film forming materials For surface coating of automobiles & air crafts 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 90 99 50 75 90 99 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Pickout the wrong statement. Polymers made of more than one monomer is called copolymer or mixed polymer Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of only one monomer is called homopolymer Polymers made of more than one monomer is called copolymer or mixed polymer Vulcanised rubber is more elastic than natural rubber The intermoleculer forces in ther-mosplastic polymers are intermediate to that of elastomers & fibres Polymers made of only one monomer is called homopolymer ANSWER DOWNLOAD EXAMIANS APP
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