NTF (AC) 2017

BANGLADESH UNIVERSITY OF TEXTILES

B. Sc. in Textile Engineering ㅤ(For Affiliated Colleges)

Level-1 Term-II, Final Exám-2017
Subject: Natural Textile Fibres (Code: YE 101)
Time: 3.0 Hrs. Full Marks: 72
(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) “All fibres are not textile fibre, but all textile fibres are fibres”-explain the term.

(b) Compare between natural fibres and man made fibres.

(c) Classify textile fibres with example.

[4+4+4=12]

2. (a) Mention the different types of cotton grading system.

(b) Discuss the morphological structure of cotton fibre with its neat sketch.

BANGLADESH UNIVERSITY OF TEXTILES

B. Sc. in Textile Engineering ㅤ(For Affiliated Colleges)

Level-1 Term-I, Final Exám-2017
Subject: Natural Textile Fibres (Code: YE 101)
Time: 3.0 Hrs. Full Marks: 72
(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 Textile fibre. State the basic requirement of textile fibre.

(b) Compare between hydrophilic and hydrophobic fibres.

(c) Describe the merits and demerits of natural fibres and man-made fibres.

(d) “All fibres are not textile fibres” Explain.

[3+3+3+3=12]

2. (a) Write the chemical composition of cotton fibre.

(b) Write down the chemical structure of cellulose.