Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 3132907 Fabric Formation I Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3132907 Date: 3/12/2019
Subject Name: Fabric Formation I
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Marks
Q.1 (a) Draw the structure of woven, knitted and nonwoven fabric. 03
(b) Draw and give the function of following part:
i) Groove Drum ii) Sectional Drum
04
(c) What are the objectives of yarn preparatory process? Give the
flow chart of warp and weft preparatory processes
07
Q.2 (a) Give the difference between woven and nonwoven fabrics. 03
(b) Derive the relationship of surface speed, traverse speed and
winding speed for random winding machine.
04
(c) Explain the types of tensioner and clearer use in winding
machine.
07
OR
(c) Give objective of pirn winding. Draw pirn built and explain how
pirn built take place.
07
Q.3 (a) Draw the structure of various knots for yarn joining. 03
(b) Calculate production of cone winding machine having following
data.
Drum Speed : 2000 rpm
Drum Diameter : 3 inches
No of Drum : 120
Shift Hours: 7.5
Efficiency: 85 %
Count of Yarn: 60 Ne
Find out actual production in kgs.
04
(c) Draw yarn fault classification of Uster Classimat II. How output
of yarn fault classification is useful in different ways?
07
OR
Q.3 (a) Define term: wind, traverse ratio and coil angle. 03
(b) What is splicing? State the stages of splicing of spun yarn. 04
(c) What is patterning? How patterning can be avoided? Explain anti
patterning mechanism with neat sketch.
07
Q.4 (a) Compare ordinary and sectional warping machine. 03
(b) Discuss about following winding package fault:
i) stitches ii) wrinkles iii) wild yarn iv) yarn sloughs.
04
(c) What are the basic requirements of weaver's beam? Explain
warping process with neat sketch.
07
OR
Q.4 (a) Describe ball warping process. 03
(b) Discuss about continuous chain creel, truck creel and magazine
creel of warping machine.
04
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1
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3132907 Date: 3/12/2019
Subject Name: Fabric Formation I
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Marks
Q.1 (a) Draw the structure of woven, knitted and nonwoven fabric. 03
(b) Draw and give the function of following part:
i) Groove Drum ii) Sectional Drum
04
(c) What are the objectives of yarn preparatory process? Give the
flow chart of warp and weft preparatory processes
07
Q.2 (a) Give the difference between woven and nonwoven fabrics. 03
(b) Derive the relationship of surface speed, traverse speed and
winding speed for random winding machine.
04
(c) Explain the types of tensioner and clearer use in winding
machine.
07
OR
(c) Give objective of pirn winding. Draw pirn built and explain how
pirn built take place.
07
Q.3 (a) Draw the structure of various knots for yarn joining. 03
(b) Calculate production of cone winding machine having following
data.
Drum Speed : 2000 rpm
Drum Diameter : 3 inches
No of Drum : 120
Shift Hours: 7.5
Efficiency: 85 %
Count of Yarn: 60 Ne
Find out actual production in kgs.
04
(c) Draw yarn fault classification of Uster Classimat II. How output
of yarn fault classification is useful in different ways?
07
OR
Q.3 (a) Define term: wind, traverse ratio and coil angle. 03
(b) What is splicing? State the stages of splicing of spun yarn. 04
(c) What is patterning? How patterning can be avoided? Explain anti
patterning mechanism with neat sketch.
07
Q.4 (a) Compare ordinary and sectional warping machine. 03
(b) Discuss about following winding package fault:
i) stitches ii) wrinkles iii) wild yarn iv) yarn sloughs.
04
(c) What are the basic requirements of weaver's beam? Explain
warping process with neat sketch.
07
OR
Q.4 (a) Describe ball warping process. 03
(b) Discuss about continuous chain creel, truck creel and magazine
creel of warping machine.
04
2
(c) Give the objective of warping process. Explain the concept of
sectional warping process.
07
Q.5 (a) What are the adhesives used in sizing? 03
(b) How is the level of size maintained in size box? 04
(c) What are the objectives of sizing? Explain construction and
working of size box with neat sketch.
07
OR
Q.5 (a) What do you mean by drawing-in operation? 03
(b) Calculate production in kgs per shift of modern high speed beam
warping machine from the following particulars:
Rpm of winding drum : 260
Diameter of winding drum : 22 inches
No of ends : 420
Efficiency: 80 %
Count of Yarn: 32 Ne
04
(c) What are the types of creels used for sizing machine? 07
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This post was last modified on 20 February 2020