GATE 2017-2018 :: GATE Textile and Fibre
- Two yarn samples have standard deviation of strength σ1 and σ2. If σ1 < σ2, the 'F' ratio would be
- In a given woven fabric the extension at break in weft direction is higher than that in warp direction. During bursting strength test, the threads that will always break first are
- CSP of yarn is equal to the product of
- If the moisture regain of a fibre is 10%, its moisture content (%) is _______ .
- A market survey by a garment manufacturing company revealed that the chest width of their target customers had normal distribution with a mean of 54 cm. If 18% of customers surveyed have chest width greater than 58 cm and 75% of customers surveyed have chest width greater than 52 cm, the percentage of customers having chest width between 56 cm and 58 cm is ________.
- The relationship between load (y) in N and elongation (x) in mm of a cotton fabric is y = √x . If the breaking elongation of the fabric is 9 mm, the work of rupture, in N.mm, is________.
- On twisting, the denier of a multifilament yarn consisting of 300 filaments of 3 denier each becomes 1100. If 11 km of untwisted filament yarn is twisted, its length in km will be __________.
- A loom is producing 2 m wide grey fabric with 8% weft crimp. Assuming that the loom is running at 570 rpm with 90% efficiency, the weft consumption in kg/hr of 30 tex yarn will be _______.
- The strength of 100 g/m2 fabric obtained by testing 4 cm wide strip is 0.4 kN. The tenacity (cN/tex) of the fabric is ______.