APM301 Basics of Mechanical Processing of Textiles B.Tech Question Paper : wbut.ac.in
Name of the University : West Bengal University of Technology
Department : Apparel Production Management
Degree : B.Tech
Year/Sem : III
Subject Code/Name : APM-301/Basics Of Mechanical Processing Of Textiles
Website : wbut.ac.in
Document Type : Previous Year Examination Question Paper
Download Model/Sample Question Paper :
2011 : https://www.pdfquestion.in/uploads/qpaper.wbut.ac.in/6304-2011APM-301%20-%20Obj..pdf
2012 : https://www.pdfquestion.in/uploads/qpaper.wbut.ac.in/6304-2012APM-301(2).pdf
Basics Of Mechanical Processing Of Textiles Question Paper :
Time Allotted : 3 Hours
Full Marks : 70
** The figures in the margin indicate full marks.
Related : West Bengal University of Technology APM305 Apparel Production-I B.Tech Question Paper : www.pdfquestion.in/6298.html
** Candidates are required to give their answers in their own words as far as practicable.
Note :
** Graph sheet(s) will be supplied by the institution on demand.
GROUP – A :
( Objective Type Questions )
1. Answer the following questions : 10 1 = 10
A) Match the columns ( Choose the most suitable from
Column – II against the terms given in the Column – I :
i) Column – I Column – II
1) Stiffness of fabric a) Table cloth, hand towel
2) Huckabck b) Cover factor
3) Air permeability c) Picking
4) Dwell d) Bending length.
B) Choose the correct alternatives for the following :
ii) Minimum number of heald shafts required to construct a twill is
a) 2 b) 3
c) 4 d) 5.
iii) Which of the following move numbers can be used to construct a 10-end satin structure ?
a) 2, 3 and 5 b) 3 and 5
c) 1, 6 and 7 d) 3 and 7.
iv) Which of the following fabrics usually possesses minimum drape coefficient ?
a) Trouser fabric
b) Shirting fabric
c) Fabric for ladies gown
d) Bed sheet fabric.
v) “Usually knitted fabrics are preferred over wovens for making sportswear.” Choose the most appropriate reason for the quoted statement
a) Due to higher elasticity
b) Due to higher strength
c) Due to higher abrasion resistance
d) Due to higher air permeability.
vi) Which of the following fibres is mostly used in making of fine quality suiting apparels ?
a) Silk b) Flax
c) Wool d) Cotton.
vii) Aspect ratio of a textile fibre indicates which of the following ?
a) length/count b) diameter/length
c) length/diameter d) count/diameter.
viii) The prime objective of cotton combing process in combed yarn preparation is
a) to remove short fibres
b) to remove impurities
c) to remove long fibres
d) to make combed sliver.
ix) Which of the following processes is omitted for making of open-end rotor spun yarn ?
a) Carding b) Roving
c) Drawing d) Winding.
x) The count of the component yarns of a woven fabric can be directly measured by using
a) air-flow method b) gravimetric method
c) Beesley balance d) microbalance.
GROUP – B : ( Short Answer Type Questions )
Answer any three of the following. 3 5 = 15
2. a) Draw the structure, drafting plan and peg plan for a end Huckaback design. Use suitable graph sheet.
b) Mention the applications of Huckaback structure. 4 + 1
3. Draw a schematic diagram to illustrate shedding mechanism in a tappet loom and identify the following :
i) Heald eye
ii) Reed
iii) Cloth fell position.
4. a) Explain why it is not possible to draw a 8-end stain structure with the move number as 6. Use point paper design to justify your answer.
b) Calculate production efficiency of a loom with 300 average RPM with a construction of 96 EPC 60 PPC ( loomstate ), if average production per shift of 450 available minute = 15 metre running length. 3 + 2
5. Name two vegetable fibres used in making of apparels. Mention their typical characteristics ( at least four ), common for both, related to suitability for apparel applications. 1 + 4
6. What is conversion constant and conversion factor regarding count of textile fibre ? Determine the denier of a fibre having fineness of 5·18 microgram/inch stating the value of conversion constant or conversion factor. 2 + 3
7. What are the different types of yarns available for apparel applications ? Is the sewing thread be placed in one of the category of yarn ? How is a sewing thread specified ? Explain with examples. 2 + 1 + 2