Download PTU TD-B.Sc 2020 March 2nd Sem 71490 Introduction To Chemical Processing Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) B-Sc TD (Textile Design) 2020 March Previous Question Papers

1 | M Code 71490 (S21)-1744

Roll No. Total No. of Pages : 02
Total No. of Questions : 07
B.Sc.(TD) (2014 & Onwards) (Sem.?2)
INTRODUCTION TO CHEMICAL PROCESSING
Subject Code : BScTD-207
M. Code : 71490
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of FIFTEEN questions carrying TWO
marks each.
2. SECTION-B contains SIX questions carrying TEN marks each and students have
to attempt any THREE questions.

SECTION-A
Q1. Write short notes on the following :
a) Oxidizing bleach
b) Mercerization
c) Scouring
d) Singeing
e) Disperse dyeing
f) Screen printing
g) Basic dye
h) Union dyeing
i) Batik
j) Flocking
k) Desizing
l) Color
m) State any two printing defects
n) Grading
o) Degumming
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1 | M Code 71490 (S21)-1744

Roll No. Total No. of Pages : 02
Total No. of Questions : 07
B.Sc.(TD) (2014 & Onwards) (Sem.?2)
INTRODUCTION TO CHEMICAL PROCESSING
Subject Code : BScTD-207
M. Code : 71490
Time : 3 Hrs. Max. Marks : 60
INSTRUCTION TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of FIFTEEN questions carrying TWO
marks each.
2. SECTION-B contains SIX questions carrying TEN marks each and students have
to attempt any THREE questions.

SECTION-A
Q1. Write short notes on the following :
a) Oxidizing bleach
b) Mercerization
c) Scouring
d) Singeing
e) Disperse dyeing
f) Screen printing
g) Basic dye
h) Union dyeing
i) Batik
j) Flocking
k) Desizing
l) Color
m) State any two printing defects
n) Grading
o) Degumming
2 | M Code 71490 (S21)-1744

SECTION-B
Q2. What do you understand by fabric impurities? Discuss the classification and characteristics
of impurities in detail.
Q3. Write in detail about the various kinds of dyes available and their suitability according to
fabric type.
Q4. Discuss in detail the preparatory process of cotton and blends.
Q5. Explain the following special types of dyeing :
a) Cross dyeing
b) Union dyeing
Q6. Discuss in detail the equipment used in dyeing. What are dyeing defects? Elaborate.
Q7. What is printing? Write notes on the following methods of printing:
a) Rotary screen printing
b) Roller printing


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NOTE : Disclosure of Identity by writing Mobile No. or Marking of passing request on any
paper of Answer Sheet will lead to UMC against the Student.
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