7/25/2019 Problem Set 2_2

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TXL121 YARN MANUFACTURE IProblem Set No. 2

1. Find the mean Micronaire value (Mi) of the

following combination of bales:

No. of bales 30 50 20

Mi 3.0 4.4 5.5

2. For a 100 bales blend with the following

combination of bales and Mivalues, find the Mivalue of the 20 bales needed to produce aresultant Mivalue of 4.0.

No. of bales 30 50 20

Mi 3.2 4.0 ?

3. A manufacturer has been using 80 bales blend.A new resultant Miof 4.2 is needed. How manymore bales of 5 Mi cotton will be needed toproduce the final Mivalue of 4.2?

No. of bales 30 50

Mi 3.0 4.4