Textile Engineering > GATE 2012 > Fibre Properties
The density of a given polyester filament sample is 1.38 g/cm³. Consider the density of fully crystalline polyester as 1.455 g/cm³ and that of fully amorphous polyester as 1.335 g/cm³. The percent crystallinity of the sample is

Correct : 39 to 40

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polyester filament density percent crystallinity calculation GATE Textile Engineering 2012 crystallinity polyester textile engineering gate density polyester crystalline polyester amorphous polyester gate

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