###### Question 50 (Textile Engineering & Fibre Science)

A cotton fibre has degree of cell wall thickening of 0.9 and perimeter of 40 . The actual cross-sectional area of the wall of the fibre (rounded off to 1 decimal place) is __**112.0 to 117.0**__.

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**Given**:

Degree of cell wall thickening ()=**0.9 **

Perimeter(P)=**40** .

A’=**Formula**:

=A/A’

Where, **A **is actual cross sectional area , **A’** is standard cross sectional area and **P** is the perimeter

=

(Area)A=114.65 **(Answer)**