_____________ scrap can be recycled & reutilised?

Related Mcqs:

1. Condensation polymerisation of _____________ produces Bakelite?

   A. Propylene
   B. Phenol & formaldehyde
   C. Phenol & acetaldehyde
   D. Urea & formaldehyde

2. Vinyl flooring is done using _____________ sheets?

   A. Polypropylene
   B. PVC
   C. Polythene
   D. Polyvinyl acetate

3. _____________ moulding is used for shaping of thermosetting plastics exclusively?

   A. Compression
   B. Injection
   C. Transfer
   D. Extrusion

4. _____________ is a thermosetting plastic ?

   A. PVC
   B. Polythene
   C. Bakelite
   D. Polystyrene

5. 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?

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

6. _____________ polythene is most prone to stress-cracking ?

   A. High density
   B. Low density
   C. Cross-linked
   D. Linear low density

7. Acrylonitrile is mainly used in the _____________ industry?

   A. Polymer
   B. Printing
   C. Dyeing
   D. Photographic

8. _____________ is a homopolymer?

   A. Neoprene
   B. Bakelite
   C. Nylon-66
   D. Terylene

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

   A. Fibrous
   B. Leathery
   C. Rubbery
   D. Hard

10. Plastic articles are normally produced by _____________ moulding?

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