Q161
Open questionWhich of the following additives are added to plastics to make it impervious to X-rays?
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Polymer Technology
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Q162
Open questionMastication of rubber means
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Q163
Open questionTubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene.
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Q164
Open questionBranched chair polymers as compared to linear polymers have
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Q165
Open question__________ is normally used for the manufacture of refrigerator components and transistor parts.
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Q166
Open questionPick out the wrong statement.
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Q167
Open questionAntioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber?
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Q168
Open questionNylon-6 as compared to nylon-66 is
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Q169
Open questionBuna-S is a __________ material.
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Q170
Open questionDensity of high density polythene is about __________ gm/c.c.
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Q171
Open questionDensity of low density polythene is about __________ gm/c.c.
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Q172
Open questionNeoprene is a
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Q173
Open questionNeoprene is the trade name of
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Q174
Open questionWhich of the following is generally not drawn into fibre?
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Q175
Open questionIn a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer?
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Q176
Open questionAutomobile steering wheels are normally made of
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Q177
Open questionWhich of the following is not a thermoplastic material?
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Q178
Open questionWhich of the following is not present in bagasse fibre?
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Q179
Open questionMain constituent of natural rubber is
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Q180
Open questionDiphenylamine is added to rubber to
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