Starting material for the production of butadiene in India is

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

Starting material for the production of butadiene in India is

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