Chemical Engineering - Polymer Technology

1. 

Nylon 6 as compared to nylon 6, 6 has lower

A. abrasion resistance.
B. thermal stability.
C. adhesion to rubber.
D. hardness.

Answer: Option A

Explanation:

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2. 

Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?

A. Phosphorous
B. Carbon black
C. Pine oil
D. Rosin

Answer: Option B

Explanation:

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3. 

__________ is an addition polymer

A. Nylon
B. Bakelite
C. Polythene
D. none of these

Answer: Option C

Explanation:

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4. 

Branched chair polymers as compared to linear polymers have

A. higher melting point.
B. higher tensile strength.
C. lower density.
D. none of these.

Answer: Option C

Explanation:

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5. 

Ion exchange resins are made of

A. lucite
B. sulphonated bakelite
C. polystyrene
D. teflon

Answer: Option B

Explanation:

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