University of Dhaka Level-2 Term-I final from 2018 on Spinning Technology-I (TE-2101), 60 marks. Problems include blow-room cleaning efficiency, carding actions, neps removal efficiency, and drawing, alongside mixing and blending theory.
B. Sc. in Textile Engineering, Level-2, Term-1.
Final Examination- 2018
Course Code: TE-2101 | Marks: 60 |
Course Name: Spinning Technology-I | Time: 3 hours |
Answer any 5 (Five) from the following: (The figures in the right hand margin indicate full marks)
Marks
1. (a) What do you mean by bale management?
1.0
(b) Write down the process flow chart for the production of carded yarn (including input and output material).
2.0
(c) Briefly discuss the characteristics of cotton fiber considered by a spinner.
5.0
(d) Find out the no. of fibers present in the cross-section of a 30 Ne yarn. Let, mic value is 4.
4.0
2. (a) What is the basic difference between mixing & blending? What are the objectives of mixing & blending?
3.0
(b) Briefly describe the working principle of any multi-mixer machine.
5.0
(c) Trash in the cotton fed at blow room is 2.15% of input material (6 ton), trash in card feed and delivered material is 31728 gm & 15365 gm respectively. Find out the cleaning efficiency at blow room & carding.
4.0
3. (a) Define card clothing. Write down the types of card clothing. What are the factors you must consider before selecting card clothing?
3.0
(b) Briefly discuss the different actions involved in carding machine with sketch.
5.0