Polymer Technology

The organic acid monomer in nylon-66 is __________________?

Byadmin March 7, 2019August 25, 2021

The organic acid monomer in nylon-66 is __________________?

A. Sebacic acid
B. Terephthalic acid
C. Adipic acid
D. Benzoic acid

Polymer Technology

In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the _____________ fibres?

In case of wet sning of polymers, the polymer solution is forced through snerates into, a coagulating bath to give a filament form. Wet sning is not used in case of the _____________ fibres?

A. Viscose rayon
B. Acrylic
C. Polyvinyl acetate
D. Saturated polyester

Read More In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the _____________ fibres?
Polymer Technology

Nitrile rubber is produced by the polymerisation of_________________?

Nitrile rubber is produced by the polymerisation of_________________?

A. Acrylonitrile & butadiene
B. Acrylonitrile & styrene
C. Isobutylene & isoprene
D. None of these

Read More Nitrile rubber is produced by the polymerisation of_________________?
Polymer Technology

Plastic articles are normally produced by _____________ moulding?

Plastic articles are normally produced by _____________ moulding?

A. Green sand
B. Injection
C. Shell
D. Dry sand

Read More Plastic articles are normally produced by _____________ moulding?
Polymer Technology

Which of the following is a polymer of Hexamethylene diamine and adipic acid ?

Which of the following is a polymer of Hexamethylene diamine and adipic acid ?

A. Nylon-6
B. Nylon-66
C. Nylon-6, 10
D. Epoxy resin

Read More Which of the following is a polymer of Hexamethylene diamine and adipic acid ?
CHEMICAL ENGINEERING | Polymer Technology

Rayon is superior to cotton in making gauge for wound treatment, because rayon

Question: Rayon is superior to cotton in making gauge for wound treatment, because rayon
[A].

is a synthetic polymer.
[B].
does not stick to the wound unlike cotton.
[C].
can absorb over 90% of its own weight of water.
[D].
both (b) and (c).

Answer: Option B

Explanation:

No answer description available for this question.

Read More Rayon is superior to cotton in making gauge for wound treatment, because rayon
Polymer Technology

Contact lenses for eyes are made of Perspex, which is nothing but_______________?

Contact lenses for eyes are made of Perspex, which is nothing but_______________?

A. poly-methyl-methacrylate
B. Polystyrene
C. Unsaturated polyester
D. Polypropylene

Read More Contact lenses for eyes are made of Perspex, which is nothing but_______________?

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