Polymer Technology

151. Poly Vinyl chloride (PVC) is a _________ material.

1. Thermoplastic
2. Thermosetting
3. Fibrous
4. Chemically active

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152. Polycaprolactam (Nylon - 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about _________ percent.

1. 50
2. 75
3. 90
4. 99

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153. Polycaprolactam is

1. Nylon-6
2. Nylon-66
3. Dacron
4. Rayon

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154. Polycaprolactam is also known as

1. Nylon-66
2. Nylon-6
3. Teflon
4. SBR

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155. Polycaprolactam is nothing but

1. Orlon
2. Nylon-66
3. Nylon-6
4. Saran

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156. Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces

1. Epoxy resin
2. Polyamide
3. Alkyd resin
4. Phenolic resin

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157. Polycondensation reaction of polymerisation

1. Does not produce linear polymers
2. Produces only thermoplastic material
3. Produces epoxy polymers
4. Does not need any catalyst

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158. Polyesters are manufactured by the Polycondensation reaction of

1. Dibasic acid with dihydric alcohol
2. A single monomer
3. Carboxylic acid with ethylene
4. Inorganic acid with ethylene glycol

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159. Polyhexamethylene adipamide is also known as

1. Bakelite
2. Nylon-66
3. Epoxy resin
4. Silicone rubber

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160. Polymerisation of poly functional monomers produces polymers having

1. Good mechanical strength
2. Low viscosity
3. Low melting point
4. None of these

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