Visco-elastic behaviour exhibited by plastics is a ______________ like behaviour?

Related Mcqs:

1. Most of the plastics are safe to be used upto a maximum temperature of ______________ °C?

   A. 100
   B. 150
   C. 350
   D. 450

2. Molecular weights of plastics ranges from_______________?

   A. 1000 to 5000
   B. 5000 to 1000
   C. 20000 to 25000
   D. 109 to 1011

3. Plasticisers are added to synthetic plastics to ________________?

   A. Impart flexibility
   B. Improve workability during fabrication
   C. Develop new improved properties not present in the original resin
   D. All A., B. and C.

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

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

5. All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it cannot be used for the production of plastic_______________?

   A. Filaments
   B. Pipes
   C. Buckets
   D. Tubings

6. Cellulose content in bamboo fibre is about ______________ percent?

   A. 10
   B. 20
   C. 50
   D. 85

7. Unbreakable crockeries are made from ______________ polymers?

   A. Polystyrene
   B. Melamine
   C. Polystyrene
   D. Polyurethane

8. Trade name of ______________ is neoprene?

   A. Polychlorophrene
   B. Polyisoprene
   C. Polytetrafluoroethylene
   D. Poly vinyl acetate

9. Plastic tubes & pipes are generally made by ______________ moulding?

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

10. ______________ is an addition polymer ?

    A. Nylon
    B. Bakelite
    C. Polythene
    D. None of these