MCQs: Phenol formaldehyde __________________?
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MCQs: Thermocol is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten__________________?
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MCQs: In nylon-6, the number 6 represents the total number of_________________?
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MCQs: The process involved in converting rubber into a thin sheet or coating it on fabric is called__________________?
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MCQs: Styrene butadiene rubber (SBR) is never used for making__________________?
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MCQs: Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but____________________?
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MCQs: _______________ is normally used for the manufacture of refrigerator components and transistor parts?
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MCQs: Which of the following rubbers has the widest service temperature range (-75 to 275°C) ?
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MCQs: In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of__________________?
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MCQs: Nylon-66 compared to nylon-6 has __________________?
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MCQs: Cross linked polymers are__________________?
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MCQs: Thermoplastic materials___________________?
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MCQs: Polyhexamethylene adipamide is also known as______________?
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MCQs: Size range of polymer molecules varies from __________ meter?
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MCQs: The starting material used for the manufacture of caprolactam is________________?
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MCQs: Rayon is a ____________ fibre?
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MCQs: Which of the following is not a natural fiber ?
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MCQs: Rain coats are made of__________________?
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MCQs: ____________ is a copolymer?
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MCQs: Terylene is a/an_________________?
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