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Polymer Technology

Polymer Technology
Polyhexamethylene adipimide is also known as

Nylon-66
Bakelite
Silicone rubber
Epoxy resin

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Polymer Technology
Visco-elastic behaviour exhibited by plastics is a __________ like behaviour.

Combination of solid & liquid
Liquid
Solid
Neither solid nor liquid

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Polymer Technology
Low pressure Zeigler process of polythene manufacture

Does not use any catalyst for polymerisation
Employs a pressure of 30 kgf/cm²
Achieves an yield of 95-98% based on ethylene
Produces very low density polythene

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Polymer Technology
Mastication of rubber means

Depression of its freezing point
A treatment to retard its deterioration due to oxidation
Improving its curing rate
Its softening

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Polymer Technology
β - glucose is the monomer of

None of these
Cellulose
Protein
Starch

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Polymer Technology
The conversion of caprolactum in the above case is about __________ percent.

50
70
90
25

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