Download GTU BE/B.Tech 2019 Summer 5th Sem New 2152908 Weaving Technology Ii Question Paper

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Subject Code: 2152908
GUJARAT TECHNOLOGICAL UNIVERSITY

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BE - SEMESTER-V (NEW) EXAMINATION - SUMMER 2019
Subject Name: Weaving Technology-11
Time: 02:30 PM TO 05:00 PM
Date: 20/06/2019
Total Marks: 70

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Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

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Q.1 (a) Give classification of sheds. MARKS 03
     (b) Explain different methods of mounting of shedding tappets. MARKS 04
     (c) State the objects of beat up motion. With the help of neat diagram, explain the beat up motion in detail. MARKS 07

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Q.2 (a) State the importance of eccentricity in sley motion. MARKS 03
     (b) State and explain some of the faulty shedding operations. MARKS 04
     (c) Explain some of the factors influencing the movement of shuttle during picking motion in detail. MARKS 07

OR

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Q.2 (a) State the objects of let-off mechanism. With the help of neat diagram, explain the principle of working of negative let-off mechanism in detail. MARKS 07
     (b) State the objects of take up motion. MARKS 03
     (c) State and explain some of the important settings of cone-over picking motion. MARKS 04

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Q.3 (a) With the help of neat diagram, explain the principle of working of 7 wheel take up motion in detail. Also, state some of the important settings of take up motion. MARKS 07

OR

Q.3 (a) Compare bottom stationary close shed with centre close shed. MARKS 03

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     (b) Explain the method of calculating eccentricity in sley motion. MARKS 04
     (c) With the help of neat diagram, explain any one multiple box motion in detail. MARKS 07

Q.4 (a) State the objects of auxiliary motions. MARKS 03
     (b) Compare pick-at-will motion with pick & pick motion. MARKS 04

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     (c) With the help of neat diagram, explain the principle of working of fast reed motion in detail. MARKS 07

OR

Q.4 (a) Explain the principle of working of electronic dobby. MARKS 03

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     (b) Give classification of dobbies. MARKS 04
     (c) With the help of neat diagram, explain the principle of working of cross border dobby in detail. MARKS 07

Q.5 (a) State the object of warp protector motion. MARKS 03
     (b) Calculate the efficiency of weaving machine if the speed is 135 rpm and inserting 52 picks/inch and producing 30 metres/shift of fabrics during a shift of 8 hours. MARKS 04

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     (c) With the help of neat diagram, explain the principle of working of side weft fork motion in detail. MARKS 07

OR

Q.5 (a) State some of the importance steps for designing of tappet used for shedding operation. MARKS 03

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     (b) State and explain the principle of working of warp stop motion. MARKS 04
     (c) State and explain some of the important settings of climax dobby in detail. MARKS 07

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