Mathematics: A 3-ply core/sheath yarn consists of a 30/1 (core) yarn, and two 20/1 (sheath) yarns. Analysis of the plied yarn showed that 1 m of the plied yarn has 1.08 m each of the two 20/1 yarns, and 1 m of the core yarn. What is cotton count of the plied yarn? Show calculations.

A 3-ply core/sheath yarn consists of a 30/1 (core) - id330111160659, depinedainstcom

elena1057

14.03.2021

0.000462

Step-by-step explanation:

From the given information:

The cotton count of the piled yarn is the ratio of the simple weight in (g) with the length by the simple length with weight.

Mathematically:

$Cotton count = \dfrac{simple \ weight \ in (g) \times \ length }{simple \ length \times unit \ weight }$

$Cotton count = \dfrac{1 \times 0.001 }{0.108 \times 20}$

$\mathbf{ Cotton \ count = 0.000462}$

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kashaallen492

22.11.2020

Step-by-step explanation:

P(3) = 1-0.88 = 0.12

P(3 or 4) = 0.12 + 0.21 = 0.33

Expected no. = no

= 300(0.33) = 99

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