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Polymer Technology

Polymer Technology
Which of the following is not a polymer of two monomers?

SBR
None of these
Teflon
Bakelite

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Polymer Technology
Thiokol is nothing but

Polyamide fibre
Polysulphide rubber
Engineering plastic
Exponded polystyrene

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Polymer Technology
Most of the plastics are safe to be used upto a maximum temperature of __________ °C.

150
350
450
100

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

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

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Polymer Technology
__________ is a homopolymer.

Nylon-66
Terylene
Bakelite
Neoprene

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Polymer Technology
Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins.

Epoxy
Urea formaldehyde
Melamine formaldehyde
Phenol formaldehyde

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