Chemical Engineering Mcqs

Linear polymers are normally_________________?

• (A)  Thermosetting
• (B)  Thermoplastic
• (C)  Elastometric
• (D)  Having extremely high softening point

Answer

Submitted By :Ali Uppal

_____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?

• (A)  Fibrous
• (B)  Leathery
• (C)  Rubbery
• (D)  Hard

Answer

Submitted By :Ali Uppal

Which of the following is not a polyolefin ?

• (A)  Polystyrene
• (B)  Polypropylene
• (C)  Neoprene
• (D)  None of these

Answer

Submitted By :Ali Uppal

Vulcanisation of raw rubber makes it__________________?

• (A)  Soft
• (B)  Less elastic
• (C)  Plastic
• (D)  Tacky

Answer

Submitted By :Ali Uppal

Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?

• (A)  Thiokol
• (B)  Plexiglass or Lucite
• (C)  Dacron
• (D)  Teflon

Answer

Submitted By :Ali Uppal

Alkyd resin cannot be used for making_________________?

• (A)  Plasticiser
• (B)  Paint & varnish
• (C)  Fibers
• (D)  Film forming materials

Answer

Submitted By :Ali Uppal

Buna-N is also called__________________?

• (A)  Butyl rubber
• (B)  Nitrile rubber
• (C)  Neoprene
• (D)  Thiokol

Answer

Submitted By :Ali Uppal

Molecular weight of polymers are in the range of__________________?

• (A)  10 to 103
• (B)  102-107
• (C)  107-109
• (D)  109-1011

Answer

Submitted By :Ali Uppal

Nitrile rubber is produced by the polymerisation of_________________?

• (A)  Acrylonitrile & butadiene
• (B)  Acrylonitrile & styrene
• (C)  Isobutylene & isoprene
• (D)  None of these

Answer

Submitted By :Ali Uppal

Epoxy resin is____________________?

• (A)  Not used for surface coating
• (B)  A good abrasive
• (C)  An elastomer
• (D)  A polyester

Answer

Submitted By :Ali Uppal