Veer Narmad South Gujarat University 2010-3rd Sem B.E Weaving - 1 - 2 ( ) ( T.T ) - Question Paper
RN-8147
Time : 3 Hours]
B. E. - II (Sem. Ill) (T.T.) Examination
May/June - 2010 Weaving - I
[Total Marks : 100
Instructions :
(1)
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Fillup strictly the details of signs on your answer book.
Name of the Examination :
B. E. - 2 (Sem. 3) (T.T.)
Name of the Subject:
Weaving - 1
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-Subject Code No. |
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-Section No. (1,2,.....) |
Seat No.:
Student's Signature
1&2
(2) Answers to the two sections must be written in separate answer books.
(3) Figures to the right indicate full marks.
(4) Tie two sections separately.
1 (a) Give the sequence of yarn preparation process. 3
(b) Draw a schematic diagram of winding process. 3
(c) Enlist the objects of winding. 2
(d) For Filament winding on precision winders the 1 tension recommended is _ gpd.
(e) In case of fixed blade type of slub catcher, the 1
normal clearance between the blades is about _
times the yarn diameter for combed yarns.
(f) With the help of block diagram explain photo 5 electric clearer.
(g) Explain Cam Traverse. 5
(a) (i) Which are the two main purposes of 10
introducing knots in textile?
(ii) Enlist the requirements a knot should satisfy for efficient usage in textile industry.
(iii) Discuss the disadvantage of knots.
(b) With a neat sketch explain the principle of 5 pneumatic splicing.
(a) Discuss in detail basic components of a modern 10 winder.
(b) Give the classification of yarn faults. 5
Write short notes on : (any three) 15
(i) Package factors
(ii) Random winding
(iii) Causes and remedial measures - stitches
(iv) Advantages of Rewound Weft.
(a) Fill in the blanks (1-6) : 8
(i) Picking tappet consists of three parts viz _,
_ and _.
(ii) Maximum numbers of heald shafts controlled by dobby shedding are _.
(iii) _ mechanism delivers the warp to the
weaving area.
(iv) To stop the loom instantly_mechanism is
provided on the loom.
(v) In air jet loom weft carrying media is _.
(vi) Velocity of the slay is higher during the backward movement. State true or false.
(vii) What is early shedding? 2
(b) Explain in detail cone under pick mechanism with 10 neat sketch.
5 (a) Explain in detail passage of material through plain 7 power loom.
(b) Explain in detail with neat sketch beat up 5 mechanism.
(c) Explain loom timing diagram. 3
5 (a) Explain in detail negative let off mechanism with 7
neat sketch.
(c) Give classification of looms and explain it. 3
6 Write short notes on : (any three) 15
(a) F abric defects
(b) Side weft fork motion
(c) Warp stop motion
(d) Different parts of loom.
RN-8147] 3 [ 100 ]
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Attachment: |
| Earning: Approval pending. |
