Q. The organic acid monomer in nylon 66 is

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Q. Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is

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Q. Nylon-6 is manufactured from

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Q. Caprolactum, a raw material for the manufacture of nylon-6, is produced from

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Q. The monomer of poly vinyl chloride (PVC) is

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Q. Buna-S is also known as

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Q. Neoprene is chemically known as

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Q. The synthetic fibres produced from __________ are known as rayon.

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Q. Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to

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

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Q. Which of the following is generally not used as eord for synthetic rubber tyre casing ?

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Q. __________ is not a polyester fibre.

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Q. Lavatory cisterns are normally made of

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Q. Plasticisers are added to synthetic plastics to

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Q. Cellulose is the main contituent of most __________ fibres.

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Q. __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.

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Q. __________ tubes are good substitude for human blood vessels onrheart by-pass operation.

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Q. Nitrile rubber is produced by the polymerisation of

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Q. Celluloid is

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Q. Styrene butadiene rubber (SBR) as compared to natural rubber has

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