AT-2/14
Textile TeChnology Paper-II

Time: 2 hours
Full Marks: 100 . The figures in the right-hand margin indicate marks. Answer Q. NO.1 ofGroup which is compulsory
and four questions from Group -B.
Group-A
1. Answer all questions: 2x20 =40
What problems are likely to be faced in wet processing, if singeing is not done?


Why is gas singeing most preferred?


Write the general process sequence for a dyed finish fabric.


List out the advantages of enzymatic desizing.


How is scouring different from souring?


What is chemicking


XD (Turn over) Choose the correct answer from the options given below:
Name the dyes that can be applied on nylon.
List out the reasons. uses of knitted fabrics with
Name the regions in India where you find large number of textile wet processing industries.
Write the end uses of non-wovens.


In polyester, singeing is done:


On greyfabric


Before bleaching


Before dyeing
After dyeing


Chlorite bleaching is done in


Acidic pH, roomtemperature


Alkaline pH at boil




Acidic pH at boil
Alkaline pH, room temperature
XD Contd.

Digital printing is possible at


High speed


Medium speed


Slow speed
None ofthe above


Colour fastness is usually in direct dyes.


Good


Poor


Excellant
Very good


Which ofthe following are water soluble dyes


Direct, Reactive


Reactive, Vat


Vat, Sulphur
Sulphur, Indigosol


Tendering in cotton can be determined by:


Whiteness Index


Fluidity




Barium activity number
Drop test
XD (Turn over)
Curtains should havegood colourfastness to
Perspiration
Washing
Light
Rubbing
Sanforizing is basically a finish:
Temporary chemical
Temporary mechanical
Durable chemical
Durable mechanical
Anti crease finish is usually given to:
Cotton
Polyester
Nylon
Wool
Following is no more commonly seen in
integrated textile mill sector in India:
Spinning

XD-2/3 Contd.
Looms
Wet processing
Garmenting

Group-B
2. Give a detailed account of mill planning and
j management in the context of a large textile production set up. Also discuss a few important labour laws pertinent to the industry. 15
3. Explain Economic Order Quantity. DisclJss the way store duce inventory cost inatextile mill. 6
Make an assessment of the growth and status of the power loom sector and non­woven industry in India. 9
4. What are enzymes? Explain, in detail, the mechanism and process of enzymatic desizing. 7
Why reactive dyes are called so Discuss the different ways in which they are applied in industrial practice. 8
XD-2/3 (Turn over)
5.
With relevant technical details, discuss the various actions taking place in scouring of colton. Also write typical recipe and process conditions for it.

6.
Briefly write the process of peroxide bleaching. Explain the role ofstabilizer in this. Why is hydrogen peroxide most preferred among all bleaching agents? 9

Describe how perspiration fastness is assessed for dyed textile material. 6

7.
Give the procedure for dyeing cellulosics with direct colours. 3


With suitable examples discuss the various styles of printing. 6


Briefly write the concept and significance of flame retardant and soil release finish. 6




15
XD AT