Related Questions

Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are
A 50°C and 3 - 4 kg/cm2
B 50°C and 1 kgf/cm2
C 250°C and 10 kgf/cm2
D 250°C and 1 kgf/cm2
__________ 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
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
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
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
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
Styrene butadiene rubber (SBR) is
A A natural rubber
B A synthetic polymer
C A synthetic monomer
D Another name of silicone 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

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