Lavatory cisterns are normally made of ________________?

Related Mcqs:

1. Transistor parts and refrigerator components are normally made of_____________________?

   A. Polystyrene
   B. Polyester
   C. High density polythene
   D. Polyurethane

2. Automobile steering wheels are normally made of__________________?

   A. Cellulose acetate
   B. Cellulose nitrate
   C. PVC
   D. High density polythene

3. _______________ is normally used for the manufacture of refrigerator components and transistor parts?

   A. Polypropylene
   B. Polystyrene
   C. Polyester
   D. Polyurethane

4. Plastic articles are normally produced by _____________ moulding?

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

5. 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

6. 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.

7. Poly Vinyl chloride (PVC) is a ________________ material?

   A. Thermoplastic
   B. Thermosetting
   C. Fibrous
   D. Chemically active

8. ________________ is produced by polymerisation of chloroprene?

   A. Thiokol (a polysulphide rubber)
   B. Butyl rubber
   C. Neoprene
   D. Polyurethane rubber

9. Caprolactam, a raw material for the manufacture of nylon-6, is produced from_______________?

   A. Phenol
   B. Naphthalene
   C. Benzene
   D. Pyridine

10. Which of the following is not a thermoplastic material ?

    A. Epoxy polymer
    B. PVC
    C. Polystyrene
    D. Polythene