Q. Six carded slivers of 4 ktex each are drawn to produce a sliver of 5 ktex. The draft required (rounded off to 1 decimal place) is . Ans: 4.7-4.9
Six carded slivers of 4 ktex each are drawn to produce a sliver of 5 ktex Read More »
Q. Molecular weight of the repeat unit of poly (ethylene terephthalate) is Ans: 192.0-192.5
Molecular weight of the repeat unit of poly (ethylene terephthalate) is Read More »
Q. A blend of nylon 6 and polyester fibres when dissolved in formic acid at room temperature leaves a bone dry residue of 40% by weight. The weight fraction of polyester in the blend (rounded off to 1 decimal place) is . Ans: 0.4-0.4
A blend of nylon 6 and polyester fibres when dissolved in formic acid at room Read More »
Q. The gum present in the raw mulberry silk fibre is (A) Sericin (B) Fibroin (C) Keratin (D) Casein Ans: Sericin Sol: The outer layer of silk filament is a form of gum, or silk glue, called sericin. These two elements are present in the fibre in the proportion of about 75 parts fibroin to
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Q. 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 Ans: Desizing, scouring and mercerization
Barium Activity Number (BAN) of a cotton fabric was found to be 150 Read More »
Q. Work factor of a perfectly elastic yarn is (A) 0 (B) 0.5 (C) 1 (D) 2 Ans: 0.5
Work factor of a perfectly elastic yarn is Read More »
Q. Among the following options, the thickest Classimat fault is (A) B3 (B) D1 (C) G (D) H2 Ans: B3
Among the following options, the thickest Classimat fault is Read More »
Q. The movements of guide bars in warp knitting are (A) Swinging and shaking (B) Shaking and shogging (C) Shogging and twisting (D) Swinging and shogging Ans: Swinging and shogging
The movements of guide bars in warp knitting are Read More »
Q. In a modern card, the highest angular velocity (rpm) is found in (A) Feed roller (B) Taker-in (C) Cylinder (D) Doffer Ans: Taker-in
In a modern card, the highest angular velocity (rpm) is found in Read More »
Q. The term ‘half-lap’ is associated with (A) Card (B) Drawframe (C) Comber (D) Roving frame Ans: Comber
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