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Polymer Technology

Polymer Technology
Dacron is a/an

Polyester
Unsaturated polyester
Inorganic polymer
Polyamide

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Polymer Technology
Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation?

Epoxy resin
Bakelite
PTFE
PVC

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Polymer Technology
Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are

50°C and 3 - 4 kg/cm²
250°C and 1 kgf/cm²
50°C and 1 kgf/cm²
250°C and 10 kgf/cm²

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Polymer Technology
In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?

Buna-S
PMMA
PTFE
Polycaprolactum

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Polymer Technology
Linear polymers are normally

Having extremely high softening point
Thermosetting
Thermosplastic
Elastometric

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Polymer Technology
Nylon 6 as compared to nylon 6, 6 has lower

Hardness
Adhesion to rubber
Abrasion resistance
Thermal stability

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