CBSE Class-12 Exam 2020-21 : Question Paper (Taxtile Chemical Processing)
Disclaimer: This website is NOT associated with CBSE, for official website of CBSE visit - www.cbse.gov.in
CBSE Class-12 Exam 2020 : Question Paper (Taxtile Chemical Processing)
TEXTILE CHEMICAL PROCESSING
Time allowed : 2 hours Maximum Marks : 50
General Instructions :
Read the following instructions very carefully and strictly follow them :
(i) This question paper contains 20 questions.
(ii) The question paper is divided into two sections.
SECTION A
• Multiple choice questions / Fill in the blanks/Direct questions :
contains total 12 questions of 1 mark each. Answer any 10 questions.
• Very short answer type questions : contains total 7 questions of
2 marks each. Answer any 5 questions.
• Short answer type questions : contains total 7 questions of 3 marks each. Answer any 5 questions.
SECTION B
Long answer / Essay type questions : contains total 5 questions of 5 marks each. Answer any 3 questions.
(iii) Illustrate your answers wherever possible.
SECTION A
1. Fill in the blanks with suitable words (Any ten) : 110=10
(i) Preparatory finish (Carbonizing/Water resistant) 1
(ii) Scouring (NaOCl/NaOH) 1
(iii) Protruding fibres (Sanforization/Singeing) 1
(iv) Open width fabric dyeing (Jigger/Winch) 1
(v) Dyeing of wool (Sulphur/Acid) 1
(vi) Dyeing of cotton fabrics (Disperse/Direct) 1
(vii) OWF stands for (On Weight of Fabric/Open Width Fabric) 1
(viii) Direct printing (Roller/Rotary Screen) 1
(ix) Print paste ingredient (Hydrosulphite/Hygroscopic agent) 1
(x) Special calendering (Emerising/Moireing) 1
(xi) Parchmentisation (Conc. H2SO4/Dil. H2SO4) 1
(xii) Aesthetic and finishes (Functional/Fluorocarbon) 1