Buna-S is also called____________________?

Related Mcqs:

1. Buna-S is a _______________ material?

   A. Fibrous
   B. Plastic
   C. Resinous
   D. Rubbery

2. Buna-S is also known as_________________?

   A. Teflon
   B. PTFE
   C. SBR
   D. Polycrylates

3. Buna-N is also called__________________?

   A. Butyl rubber
   B. Nitrile rubber
   C. Neoprene
   D. Thiokol

4. ____________ polymer is used for making unbreakable crockery?

   A. Thermoplastic
   B. Melamine
   C. Addition
   D. None of these

5. The monomer for the production of neoprene rubber is_________________?

   A. Acetylene
   B. Chloroprene
   C. Isoprene
   D. None of these

6. Non sulphonated hard bakelites are not used for making _______________________?

   A. Ion-exchange resins
   B. Fountain pen barrels
   C. Formica table tops
   D. Combs

7. Starting material for the production of SBR is ____________________?

   A. Ethyl alcohol
   B. Ethylene
   C. Both A. & B.
   D. Neither A. nor B.

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

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

9. ____________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR?

   A. Percent elongation
   B. Resilience
   C. Freezing point
   D. Strength

10. Molecular weight of polymers are in the range of__________________?

    A. 10 to 103
    B. 102-107
    C. 107-109
    D. 109-1011