GATE (TF) Textile 2006 Question Paper Solution | GATE/2006/TF/50

Question 50 (Textile Engineering & Fibre Science)

Determine the correctness or otherwise of the following assertion (a) & reason (r)
Assertion: Disperse dyes are dyed on polyester fibres at 130oC from an aqueous dispersion of the dye
Reason: The dispersion dye is partially soluble in water during dyeing at 130oC and it is dissolved dye that is taken up by the polyester fibre during dyeing

(A)Both (a) and (r) are true and (r) is the correct reason for (a)
(B)Both (a) and (r) are true and (r) is not the correct reason for (a)
(C)Both (a) and (r) are false
(D)(a) is true but (r) is false
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