Process Control in Spinning paper (YME 423), Level-4 Term-I, 2022, carrying 105 marks. Set by Bangladesh University of Textiles; spans yarn realization, bale management, spectrogram faults, U% and CV% irregularity, and mill productivity.
Level-4 Term-I, Final Exám-2022
Subject: Process Control in Spinning (Code: YME 423)
Time: 3.0 Hrs. Full Marks: 105
(Use separate answer script for Part: A and Part: B)
(All parts of a question must be answered consecutively)
Part: A
(Answer any three questions)
1. (a) Define quality, quality control and quality assurance.
(b) Cite examples to utilize ‘Fishbone diagram’ and ‘check sheet’ for process control spinning.
(c) Distinguish ‘Histogram’ and ‘Pareto chart’
[3.5+7+7=17.5]
2. (a) Define yarn realization.
(b) Write the names of usable and non-usable waste of a spinning industry. Depict the records recommended to account for yarn realization.
(c) Discuss the procedure for bale lay down planning in a spinning mill.
[3.5+10+4=17.5]
3. (a) Write about the measures to improve productivity in a spinning mill.
(b) Describe the effect of climatic conditions on spinning process.
(c) Briefly explain the types of spectrogram fault with suitable sketch. How can you distinguishing disturbing periodic faults from tolerable faults?
[6+6.5+5=17.5]
4. (a) Define waste management and material handling in spinning industry.