Fabric Testing and Quality Control exam (FE 401) from BUTEX affiliated colleges' 2021 Level-4 Term-I finals. Includes stiffness and drape testing, grey and blue scales, colour fastness to rubbing and light, spray rating, ICI pill box pilling, and flame resistance interpretation.
Level-4 Term-I, Final Exám-2021
Subject: Fabric Testing and Quality Control (Code: FE 401)
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 stiffness and drape.
(b) State the terms bending length, flexural rigidity, bending modulus and cantilever principle.
(c) How fabric drape test is performed in the textile industry?
(d) What are the factors on which fabric handle properties depends?
[2+4+4+2 = 12]
2. (a) What is quality control?
(b) Write short notes on BSTI, ISO, ASTM, AATCC.
(c) Explain the factors to be considered during fabric thickness measurement.
(d) A piece of fabric has a length of 50 cm and a width of 20 cm. When it is laid flat, it measures 45 cm in length and 7 inch in width due to crimp. What is the percentage of crimp in the fabric?