GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University
Subject Code: 3132907 Date: 3/12/2019
Subject Name: Fabric Formation I
Time: 02:30 PM TO 05:00 PM Total Marks: 70
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
FirstRanker.com
A Firstranker's choice
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE - SEMESTER- III (New) EXAMINATION — WINTER 2019Subject Code: 3132907 Date: 3/12/2019
Subject Name: Fabric Formation I
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
--- Content provided by FirstRanker.com ---
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: 1) 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. --- Content provided by FirstRanker.com --- Drum Speed : 2000 rpmDrum Diameter : 3 inches No of Drum : 120 Shift Hours: 7.5 Efficiency: 85 % --- Content provided by FirstRanker.com --- Count of Yarn: 60 NeFind 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: 1) 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 |
| (c) Explain 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 --- Content provided by FirstRanker.com --- No of ends : 420Efficiency: 80 % Count of Yarn: 32 Ne | 04 |
| (c) What are the types of creels used for sizing machine? | 07 |
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2019 Winter Question Papers || Gujarat Technological University