Related Questions

Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an
A Rigid foam
B Engineering plastic
C Thermosetting polymer
D Spongy rubber
Starting material for the production of styrene butadiene rubber (SBR) is
A Ethyl alcohol
B Ethylene
C Both A & B
D Neither A nor B
Polymerisation reactor used for the production of styrene butadiene rubber (SBR) is made of
A Cast iron
B Stainless steel or glass lined vessel
C Karbate
D Wrought iron
Polymerisation reactor used in the production of styrene butadiene rubber (SBR) is made of
A Stainless steel or glass lined steel
B Nickel clad steel
C High silicon cast iron
D Aluminium
Styrene-butadiene-rubber (SBR) as compared to natural rubber has
A Poorer tensile strength
B Poorer resistance to oxidation
C Greater amount of heat build-up under heavy loading
D All of the above
The major use of butadiene is
A As a plasticiser for unsaturated polyester
B In the manufacture of synthetic rubber
C As an anti-skinning agent in paint
D None of these
Butadiene is a/an
A Di-olefin
B Naphthene
C Aromatic
D Olefin
Styrene butadiene rubber (SBR) is never used for making
A Coated fabrics
B Front wheel tyres of aeroplanes (i.e., heavy duty tyres)
C Gaskets
D Soles of shoes
Temperature and gage pressure maintained during the manufacture of cold SBR (styrene butadiene rubber) are
A 5°C and 1 kgf/cm2
B -20°C and 1 kgf/cm2
C 0°C and 1 kgf/cm2
D 0°C and 3 kgf/cm2
Styrene butadiene rubber (SBR) as compared to natural rubber has
A Poor tensile strength
B Poorer resistance
C Greater amount of heat build up heavy loading
D All of the above

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