A. Polyester
B. Unsaturated polyester
C. Polyamide
D. Inorganic polymer
Related Mcqs:
- Dacron is a _____________________________?
A. Condensation polymerisation product of Hexamethylene diamine and adipic acid
B. Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol
C. Thermosetting material
D. None of these - Dacron (or Treylene) fibres as compared to nylon fibres have_____________________?
A. Better heat & acid resistant properties
B. Poorer resistance to alkalis
C. Poorer dyeability
D. All A., B. and C. - Dacron is a/an___________________?
A. Addition polymer
B. Condensation polymer
C. Polyester
D. Both B. and C. - In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher ___________________?
A. Densities
B. Melting point
C. Tensile strength
D. Hardness, rigidity & brittleness - 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 - Polycondensation reaction of polymerisation ___________________?
A. Does not produce linear polymers
B. Produces only thermoplastic material
C. Produces epoxy polymers
D. Does not need any catalyst - Silicone is a/an ___________________?
A. Monomer
B. Inorganic polymer
C. Thermoplastic material
D. A natural polymer - Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?
A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon - Polypropylene compared to polythene is___________________?
A. Harder
B. Stronger
C. Lighter
D. All A., B. and C. - Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from ______________ resins?
A. Epoxy
B. Phenol formaldehyde
C. Urea formaldehyde
D. Melamine formaldehyde
