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Polymer Technology

Polymer Technology
Polypropylene is preferred to polythene, because the former is

Both B & C
Stronger
Harder
Non-inflammable

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Polymer Technology
Perspex can be used as a substitute of glass. Its monomer is

Tetrafluroethylene
DMT
Butadiene
Methyl methacrylate

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Polymer Technology
Nylon-66 compared to nylon-6 has

Lower melting point
More abrasion resistant properties
Higher hardness
All of these

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Polymer Technology
Amino resins are used in paper treatment to improve its

Wet tear and bursting strength
Wet rub resistance
All of these
Folding endurance

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Polymer Technology
Dacron (or terylene) fibres as compared to nylon fibres have

Poorer dyeability
Better heat & acid resistant properties
Poorer resistance to alkalis
All of these

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Polymer Technology
Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness?

Rosin
Carbon black
Phosphorous
Pine oil

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