A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon
Related Mcqs:
- Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a ______________ polymer?
A. Thermoplastic
B. Thermosetting
C. Linear
D. Glass like transparent - Poly-methyl-methacrylate (PMMA) is known as_______________?
A. Bakelite
B. Teflon
C. Perspex
D. Nylon-6 - Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA) ?
A. Perspex
B. Lucite
C. Plexiglass
D. Teflon - Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used_______________?
A. For surface coating of automobiles & air crafts
B. For fibre making
C. As plasticiser for PVC & nitrocellulose
D. For film forming materials - Polymerisation product of C2F4 (carbon tetrafluoride) is called P.T.F.E. (poly chloro tetra fluoro ethylene). It is also called ________________?
A. Polyurethane
B. Silicone rubber
C. Teflon
D. Epoxy resin - Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the ___________________?
A. Electrical insulation purpose
B. Tanning of leather
C. Strengthening of plaster of Paris
D. Decorative laminates - The major component of acrylic fibers is__________________?
A. Polyamides
B. Polyolefins
C. Polyacrylonitrile
D. Polyesters - Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?
A. Polyamide & an elastomer
B. Good adhesive
C. Surface coating agent
D. Both B. and C. - Polymerisation of poly functional monomers produces polymers having_________________?
A. Good mechanical strength
B. Low viscosity
C. Low melting point
D. None of these - Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?
A. 50000
B. 51600
C. 49200
D. 50800
