List of practice Questions

Which of the following fibers can be used for manufacturing of absorbent core based nonwoven products?
In which of the following web laying techniques, high loft structures can be produced?
The temperature of the air in melt blown process is set close to ________ of the polymer.
Which of the following Mechanical finishings is adopted to improve the lusture of bonded fabric?
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
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?
If 840 mature fibers and 160 immature fibers were found in a test specimen, the percent immaturity would be
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
If 75 km of yarn weigh 2.5 kg, the count in metric system will be
The CV % of mass irregularity of yarn generally equals U % multiplied by
In Yarn Evenness testing the variance length curve is more suitable for
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
For spreading knitted and other stretch fabric the spreading device should include
The Air permeability of a fabric increases linearly with increase in twist factor. This is due to
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?
Transfer printing is an example for
Ionic dyes used in printing is not suitable for
Freundlich isotherm becomes Nernst isotherm when n is
What is the effect of Mercerization process ?
The enzyme preferred for desizing is
In case of metameric samples which one of the following will be identical?
Which of the following dyes are more prone to gas fading?
Benzotriazoles is an example for
THPC flame retardant is produced by reaction of