Weaving Technology course (TE-2103) examined at the University of Dhaka in 2018 for Level-2 Term-I students. The 60-mark paper asks about winding, warping, sizing ingredients, and woven fabric production flow.
B. Sc. in Textile Engineering, Level-2, Term-1.
Final Examination- 2018
Course Code: TE-2103 | Marks: 60 |
Course Name: Weaving Technology | Time: 3 hours |
Answer any 5 (Five) from the following: (The figures in the right hand margin indicate full marks)
Marks
1. (a) What is Woven Fabric? Which department of textile industry produces woven fabric? Write down the flow chart of woven fabric production.
3.0
(b) Define winding? Make a comparison table between precision and non-precision winding.
3.0
(c) What is the role of yarn guide & tensioner in the cone winding machine? Write down the mathematical equation derived from various types of tensioner.
3.0
(d) What is the time required for winding 15’s numbers 140 lb yarn onto 10 drums of an automatic high speed cone winding machine? Production per minute of a cone winding machine is 420 yards.
3.0
2. (a) Draw a schematic diagram of a direct warping machine and write down the major parts of a head stock of this machine with function.
3.0
(b) Why warping is called heart of weaving? Differentiate between direct and sectional warping.
3.0
(c) Show and explain viscosity curve for starch.
3.0
(d) A modern high speed warping machine having speed 610 yards per minute. If the machine will be running with efficiency 75% than calculate production in length per shift.
3.0