Name of the University : West Bengal University of Technology
Department : Apparel Production Management
Degree : B.Tech
Year/Sem : III
Subject Code/Name : APM-303/Basics Of Textile Manufacture – I
Website : wbut.ac.in
Document Type : Previous Year Examination Question Paper
Download Model/Sample Question Paper :
2009 : https://www.pdfquestion.in/uploads/qpaper.wbut.ac.in/6305-2009APM%20-%20303.pdf
2010 : https://www.pdfquestion.in/uploads/qpaper.wbut.ac.in/6305-2010APM-303(1).pdf
2011 : https://www.pdfquestion.in/uploads/qpaper.wbut.ac.in/6305-2011APM-303(2).pdf
Basics Of Textile Manufacture – I Question Paper :
Time Allotted : 3 Hours
Full Marks : 70
** The figures in the margin indicate full marks.
** Candidates are required to give their answers in their own words as far as practicable.
Related : West Bengal University of Technology APM301 Basics of Mechanical Processing of Textiles B.Tech Question Paper : www.pdfquestion.in/6304.html
GROUP – A : ( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following : 10 × 1 = 10
i) Five slivers are doubled together and given three passages on draw frame. The number of doublings is
a) 125 b) 15
c) 9 d) 25.
ii) Delivery speed of modern draw frame in metres per minute is
a) 150 b) 1500
c) 450 d) 1000.
iii) 60s cotton count = ………….. Tex.
a) 10 b) 15
c) 9·84 d) 10·8.
iv) DREF-3 is based on which spinning principle ?
a) False-twist b) Friction spinning
c) Self-twist d) Ring spinning.
v) Most common material for sewing threads is
a) cotton b) linen
c) silk d) viscose.
vi) Which of the following classimat faults is the most dangerous ?
a) A1 b) G
c) D4 d) 12.
vii) A textile fibre should have the characteristic of
a) hardness b) flexibility
c) moisture d) lustre.
viii) Only natural filament fibre is
a) silk b) wool
c) cotton d) glass.
ix) Short staple cotton fibre is shorter than
a) 11
8 inch b) 1 inch
c) 12 inch d) 78 inch.
x) Moisture content of cotton fibre at normal temperature and R.H.% is
a) 10% b) 8·5%
c) 7% d) 7·5%.
GROUP – B : ( Short Answer Type Questions )
Answer any three of the following. 3 × 5 = 15
2. What is textile fibre ? What are the main characteristics of textile fibre ?
3. Give a classification of textile fibres in flow-chart form with examples.
4. State five differences between mixing and blending.
5. What are the objects of yarn folding ?
6. Give causes and remedies of any two of the following faults :
a) Stitches or jail
b) Patterning or ribbon formation
c) Soft nose or base
d) Wild yarn.
7. Discuss the production process flow-chart from raw fibre selection to yarn winding for any conventional spun textile yarn.
GROUP – C :( Long Answer Type Questions )
Answer any three of the following. : 3 × 15 = 45
8. a) What are staple fibre and filament ? Give an example of each.
b) What are the categories of vegetable fibres ? Give example.
c) State physical and chemical properties of cotton. 4 + 4 + 7
9. a) To which category does the wool fibre belong ?
b) What is the significance of microscopic appearance of wool fibre ?
c) What are Fleece wool and Pulled wool ?
d) State physical and chemical properties of wool. 1 + 3 + 3 + 8
10. a) Define ginning. What are the objects of ginning ?
b) Compare and contrast between saw gin and roller gin.
c) describe the working of a Two For One twister with neat sketch. 4 + 5 + 6
11. a) What are the objects of carding ?
b) Describe any standard ’blowroom line.
c) Describe the operations in rectilinear cotton combing cycle with neat sketches. 4 + 4 + 7
Basics Of Textile Manufacture – I 2010 :
Time Allotted : 3 Hours
Full Marks : 70
** The figures in the margin indicate full marks.
** Candidates are required to give their answers in their own words as far as practicable.
GROUP – A : ( Multiple Choice Type Questions )
1. Choose the correct alternatives for the following : 10 × 1 = 10
i) The least value of “aspect ratio” of a textile fibre should be
a) 500 : 1 b) 300 : 1
c) 100 : 1 d) 1000 : 1.
ii) ‘Linen’ is popularly known as the product made of
a) Wool fibre b) Polyester fibre
c) Jute fibre d) Flax fibre.
iii) Directional Frictional Effect (DFE) is the characteristics of
a) Wool fibre b) Polyester fibre
c) Jute fibre d) Flax fibre.
iv) Formation of linear continuous strands of fibre has been started in which of the following machine during yarn spinning ?
a) Ring frame b) Carding
c) Draw-frame d) Roving frame.
v) Lyocell fibre is basically
a) regenerated cellulosic fibre
b) natural vegetable fibre
c) synthetic fibre
d) inorganic mineral fibre.
vi) In sewing thread, the ticket number indicates approximately
a) the resultant English Cotton count
b) the resultant Denier value
c) three times the resultant English Cotton count
d) the resultant Tex value.
vii) The relation between the Wind (W) and Traverse (T)
ratio in winding process is
a) W = 2T b) W = T
c) T = 2W d) T = W .
viii) Maturity of cotton fibres depends on development of
a) lumen b) primary wall
c) secondary wall d) cell.
ix) Smell of burnt hair is the characteristics feature of
a) protein fibre b) vegetable fibre
c) synthetic firbre d) mineral fibre.
x) Which of the following process is not required during 100% synthetic fibre spinning ?
a) Comber b) Drawing
c) Roving d) Blending.
GROUP – B : ( Short Answer Type Questions )
Answer any three of the following : 3 × 5 = 15
2. Define the parameters that express the moisture property of a fibre. Establish a relationship between the parameters. Write down the respective values of the parameters for cotton fibre. 2 + 2 + 1
3. Name two important manufactured fibre one each from regenerated and synthetic category used extensively for apparel sector. What are the building blocks of those fibres ? Make a comparative study of their important physicomechanical properties. 1 + 2 + 2
4. What is the significance of perfect ginning ? Prepare a process flow-chart mentioning the appropriate machines for making 100% combed yarn from long staple cotton in ring spinning system starting from ginning operation with suitable gin. 1 + 4
5. Define Plying and Cabling of yarn. If two X tex yarns are plied and subsequently three such plied yarns are cabled, find out the resultant count of the final yarn. Sometimes cabling process is employed for making sewing thread – Explain why. 2 + 2 + 1
6. What is the significance of waxing of yarn to be processed n the knitting machine ? Mention the essential criteria of the knitted yarn. 1 + 4
7. Establish with line diagram the relationship between fibre molecular structure with the ultimate end-use properties of apparel/garment. Illustrate the important features of microfibre. 3 + 2