Special Wet Processing exam (WPE 445) from BUTEX affiliated colleges' 2019 Level-4 Term-I finals, two hours and 70 marks. Questions address foam generation with Janus and RSF application, enzymes and bio-polishing, phthalogen blue printing, and ammonia mercerization.
Level-4 Term-I, Final Exám-2019
Subject: Special Wet Processing (Code: WPE 445)
Time: 2.0 Hrs. Full Marks: 70
(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) What is meant by foam? How does foam can be generated?
(b) Why application of foam technology becoming popular in textile industries?
(c) Write down the requirements of a good foaming agent.
(d) Discuss broadly about Janus mini and RSF foam application process with necessary figure.
[(2+3)+3.5+3+6=17.5]
2. (a) Define enzymes. State the properties of enzymes.
(b) Why bio-polishing is carried out on cellulosic textiles?