GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VIII (NEW) EXAMINATION — WINTER 2018
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Subject Code: 2182907 Date: 19/11/2018
Subject Name: Process & Quality Control in Spinning
Time: 02:30 PM TO 05:00 PM Total Marks: 70
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| MARKS | ||
|---|---|---|
| Q.1 | ||
| (A) | Enlist Parameters Contributing Cleaning Efficiency In Blow Room | 3 |
| (B) | Explain The Effect Of Quality Of Drafting On Yarn Strength. | 4 |
| (C) | State The Avoidable Causes Of Loss In Efficiency At Ring Frame And Suggest Remedial Measures For Each Of Them. | 7 |
| Q.2 | ||
| (A) | State The Methods To Measure Fractionating Efficiency Of A Comber. | 3 |
| (B) | Discuss Implementation Of The Machinery Audit. | 4 |
| (C) | Describe Determination Of Trash Content And Cleaning Efficiency For Blow Room. | 7 |
| OR | ||
| (C) | How Machinery Audit Is Different Than Routine Maintains. Explain With Neat Diagram Any One Instrument Used For Machinery Audit. | 7 |
| Q.3 | ||
| (A) | What Is The Importance Of Process Control In Spinning | 3 |
| (B) | Explain In Brief Modern Process Control In Spinning. | 4 |
| (C) | Describe Performance Assessment Of Comber. | 7 |
| OR | ||
| Q.3 | ||
| (A) | What Is Yarn Realisation, Enlist Parameters Affecting It. | 3 |
| (B) | Write Brief Note On Bale Management In Spinning. | 4 |
| (C) | Explain AFIS And Discuss Its Advantages. | 7 |
| Q.4 | ||
| (A) | How Can Soft Waste Be Controlled? | 3 |
| (B) | Explain Briefly The Concept Of Hypothetical Mill. | 4 |
| (C) | Explain Waste Control At Card. Also Discuss How To Optimised It. | 7 |
| OR | ||
| Q.4 | ||
| (A) | Enlist Steps To Improve Any One Machine Productivity | 3 |
| (B) | How Can Yarn Appearance Be Measured? | 4 |
| (C) | Discuss The Role Of Speed Frame With Reference To Between Bobbin Count Variation. | 7 |
| Q.5 | ||
| (A) | What Is Classimate Faults | 3 |
| (B) | Blow Room And Carding Do Not Affect Within Bobbin Count Variation’ . Justify The Statement. | 4 |
| (C) | Discuss Remedial Measures For Controlling Loss In Efficiency Due To Following Causes In Ring Frame Department Of A Spinning Mill : (I) Waiting For Doffing (Ii) Waiting For Empty Bobbins (Iii) Idle Spindles | 7 |
| OR | ||
| Q.5 | ||
| (A) | Enlist Parameters That Prevent Yarn Hairiness | 3 |
| (B) | Discuss Random Component Of Yarn Irregularity In Detail. | 4 |
| (C) | Discuss Various Factors Affecting Yarn Strength. | 7 |
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