Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?
A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon
Polymer Technology
Alkyd resin cannot be used for making_________________?
Alkyd resin cannot be used for making_________________?
A. Plasticiser
B. Paint & varnish
C. Fibers
D. Film forming materials
Buna-N is also called__________________?
Buna-N is also called__________________?
A. Butyl rubber
B. Nitrile rubber
C. Neoprene
D. Thiokol
Molecular weight of polymers are in the range of__________________?
Molecular weight of polymers are in the range of__________________?
A. 10 to 103
B. 102-107
C. 107-109
D. 109-1011
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
Epoxy resin is____________________?
Epoxy resin is____________________?
A. Not used for surface coating
B. A good abrasive
C. An elastomer
D. A polyester
Lavatory cisterns are normally made of ________________?
Lavatory cisterns are normally made of ________________?
A. Expanded polystyrene
B. Saturated polyester
C. Perspex
D. PVC
_______________ is a copolymer ?
_______________ is a copolymer ?
A. Nylon-66
B. Polypropylene
C. PVC
D. Poly tetra fluoro ethylene
Low density polythene as compared to high density polythene is____________________?
Low density polythene as compared to high density polythene is____________________?
A. Harder
B. Tougher
C. Chemically inert
D. More flexible
Hot drink (e.g., tea) cups are usually made of _____________________?
Hot drink (e.g., tea) cups are usually made of _____________________?
A. Polystyrene
B. Polythene
C. Polypropylene
D. PVC