GATE (TF) Textile 2019 Question Paper Solution | GATE/2019/TF/12

Question 12 (Textile Technology & Fibre Science)

Barium Activity Number (BAN) of a cotton fabric was found to be 150. The fabric must have undergone

(A)Desizing only
(B)Desizing and scouring only
(C)Desizing and bleaching only
(D)Desizing, scouring and mercerization
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Frequently Asked Questions | FAQs

How do you calculate barium activity number(BAN)?

BAN=(b-m) x 100/(b-n)

Where, b=volume required for blanked test

m=volume required for mercerized cotton

n=volume required for unmercerized cotton

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