List of top Textile Engineering and Fibre Science Questions

Which of the following blending process is recommended to get the uniform blending of fibres?
For an ideal blend mixing of fibres, $\pi$ value should be equal to
From ring spinning section, 20 ring cops were selected randomly from two frames for testing yarn count. To know whether the frames are spinning the same count, the best statistical tools advised is
Which of the following is not a parameter of KES-f?
When compared to $40^s$ cotton shirting, the crease recovery of Polyester shirting from 50 D x 50 D (Tex x Tex) is
The U% of Single yarn is 17.3%. The expected U% of a 3 - ply yarn produced from this yarn will be
Crimp interchange is a phenomena associated with
The Air permeability of a fabric increases linearly with increase in twist factor. This is due to
Calculate the tenacity (g/tex) of cotton sample (at gauge length 1/8 inch) if the breaking load is 6.1 kg and the weight of the bundle is 3.9 mg obtained from the Pressley fiber strength tester?
In Yarn Evenness testing the variance length curve is more suitable for
If 75 km of yarn weigh 2.5 kg, the count in metric system will be
A mill spinning 40° Ne carded yarn with the following fiber properties. Find the Fiber Quality Index? \( 2.5% \text{ S.L } = 28 \text{ mm} \) Uniformity ratio = 0.47 Micronaire value = 4.3 Bundle strength (g/tex) = 22.5 Maturity ratio = 0.80
If 840 mature fibers and 160 immature fibers were found in a test specimen, the percent immaturity would be
The CV % of mass irregularity of yarn generally equals U % multiplied by
If the weight of a sample of cotton decreases from 107.5 to 100 grams when heated at 105 °C for 2 hours. The Moisture Content and Regain is
On a 4 point fabric grading system (ASTM D5430) when the length of the defect is more than 3.2 inches but less than 6 inches, how many demerit points are given?
The glass transition temperature of polyester is
Silk is a
The density of polypropylene is
The amount of recommended water (by weight) in dried poly (ethylene terephthalate) chips suitable for melt spinning is in the range of
Which one of the following is a regenerated protein fibre?
The crystallinity percentage of silk is
The fibre which is having negative birefringence value is
The density of polyester fibre is
The moisture regain of nylon is