Bulky yarns are made by 1 modification in chemical spinning 2...

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Bulky yarns are made by
1. modification in chemical spinning.
2. varying the-cross-sectional shape of fibres.
3. varying the pressure of extrusion through spinneret.
4. addition of bubbles using air duct.
Select the correct answer

A. 1 and 2

B. 2 and 3

C. 3 and 4

D. 2 and 4

Answer: Option D

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