Textile Engineering > GATE 2018 > Synthetic Fibres
Determine the correctness or otherwise of the following Assertion [a] and the Reason [r].
[a]: The reaction temperature and rate of agitation during polymerization of polyethylene terephthalate have an important effect on molecular weight of the polymer produced.
[r]: Polymerization of polyester by melt polycondensation is a predominantly diffusion controlled process.
A
Both [a] and [r] are true and [r] is the correct reason for [a]
B
Both [a] and [r] are true but [r] is not the correct reason for [a]
C
Both [a] and [r] are false
D
[a] is true but [r] is false

Correct : a

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Related Topics

polyethylene terephthalate polymerization polymerization temperature effect polymerization rate agitation molecular weight polymerization diffusion controlled polymerization melt polycondensation polymerization diffusion GATE textile engineering 2018 polymerization controlled process

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