CBSE Class 12 Textile Chemical Processing Question Paper 2019

SET-4
Series BVM H$moS> Z§.
Code No. 303
amob Z§. narjmWu H$moS >H$mo CÎma-nwpñVH$m Ho$ _wI-n¥ð
Roll No. >na Adí` {bIo§ &
Candidates must write the Code on the
title page of the answer-book.

 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _o§ _w{ÐV n¥ð> 5 h¢ &
 àíZ-nÌ _| Xm{hZo hmW H$s Amoa {XE JE H$moS >Zå~a H$mo N>mÌ CÎma -nwpñVH$m Ho$ _wI-n¥ð> na
{bI| &
 H¥$n`m Om±M H$a b| {H$ Bg àíZ-nÌ _| 20 àíZ h¢ &
 H¥$n`m àíZ H$m CÎma {bIZm ewê$ H$aZo go nhbo, àíZ H$m H«$_m§H$ Adí` {bI| &
 Bg àíZ-nÌ H$mo n‹T>Zo Ho$ {bE 15 {_ZQ >H$m g_` {X`m J`m h¡ & àíZ-nÌ H$m {dVaU nydm©•
_| 10.15 ~Oo {H$`m OmEJm & 10.15 ~Oo go 10.30 ~Oo VH$ N>mÌ Ho$db àíZ-nÌ H$mo n‹T>|Jo
Am¡a Bg Ad{Y Ho$ Xm¡amZ do CÎma-nwpñVH$m na H$moB© CÎma Zht {bI|Jo &
 Please check that this question paper contains 5 printed pages.
 Code number given on the right hand side of the question paper should be
written on the title page of the answer-book by the candidate.
 Please check that this question paper contains 20 questions.
 Please write down the Serial Number of the question before
attempting it.
 15 minute time has been allotted to read this question paper. The question
paper will be distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the
students will read the question paper only and will not write any answer on
the answer-book during this period.

dñÌ agm`Z g§gmYZ
TEXTILE CHEMICAL PROCESSING

{ZYm©[aV g_` : 2 12 KÊQ>o A{YH$V_ A§H$ : 50
1
Time allowed : 2 hours Maximum Marks : 50
2

303 1 P.T.O.

gm_mÝ` {ZX}e :
(i) Bg àíZ-nÌ _| 20 àíZ em{_b h¢ &
(ii) àíZ-nÌ Xmo IÊS>m| _| {d^m{OV h¡ &
IÊS> H$
 ~hþ{dH$ënr` àíZ /[aº ñWmZ ^[aE /grYo àíZ : Hw$b 12 àíZ em{_b h¢ Omo
1 – 1 A§H$ Ho$ h¢ & BZ_| go {H$Ýht 10 àíZm| Ho$ CÎma Xr{OE &

 A{V bKw CÎmar` àíZ : BZ_| Hw$b 7 àíZ em{_b h¢, àË`oH$ 2 A§H$ Ho$ h¢ & BZ_| go
{H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
 bKw CÎmar` àíZ : BZ_| Hw$b 7 àíZ em{_b h¢, àË`oH$ 3 A§H$ Ho$ h¢ & BZ_| go
{H$Ýht 5 àíZm| Ho$ CÎma Xr{OE &
IÊS> I
XrK© CÎmar` /{Z~ÝYmË_H$ àíZ : BZ_| Hw$b 5 àíZ em{_b h¢, àË`oH$ 5 A§H$ Ho$ h¢ & BZ_|
go {H$Ýht 3 àíZm| Ho$ CÎma Xr{OE &
(iii) Ohm± gå^d hmo, AnZo CÎmam| H$mo {M{ÌV H$s{OE &

General Instructions :

(i) This question paper contains 20 questions.

(ii) 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.

303 2

IÊS> H$
SECTION A

1. {ZåZ{b{IV ‘| go {H$Ýht Xg H$m {_bmZ H$s{OE : 1×10=10

(i) D$Z H$s Aew{Õ (a) JwAma Jm|X
(ii) aoe‘ H$s Aew{Õ (b) H¡$[a¶a (Carrier)
(iii) C^ao aoeo hQ>mZo Ho$ {bE (c) ’$m°ñ’$moag (Phosphorus)
(iv) a§JmB© H$m ¶§Ì (d) Eo{gS> (Acid) a§J
(v) Eo{H«${bH$ (Acrylic) `mZ© Ho$ {bE a§J (e) ‘mo‘ H$m Kmob (B_ëeZ)
(vi) aoe‘ Ho$ {bE a§J (f) qgqOJ (Singeing)
(vii) a§JmB© Ho$ {bE ghm¶H$ (g) go[a{gZ (Sericin)
(viii) N>nmB© H$s e¡br (h) ~o{gH$ a§J
(ix) {WH$qZJ (Thickening) nXmW© (i) J«rg (Grease)
(x) [aS>çyqgJ (Reducing) ãbrM (j) {OJa (Jigger)
(xi) A{½Z gwajm àXmZ H$aZm (k) {S>ñMmO© (Discharge)
(xii) Za‘ H$aZo dmbr n[agÁOm (l) gmo{S>¶‘ hmBS´>mogë’$mBQ>
Match any ten of the following :
(i) Impurity in wool (a) Guar gum
(ii) Impurity in silk (b) Carrier
(iii) For removal of protruding fibres (c) Phosphorus
(iv) Dyeing machine (d) Acid dyes
(v) Dye for acrylic yarn (e) Wax emulsion
(vi) Dye for silk (f) Singeing
(vii) Auxiliary for dyeing (g) Sericin
(viii) Style of printing (h) Basic dyes
(ix) Thickening agent (i) Grease
(x) Reducing bleach (j) Jigger
(xi) Flame proofing (k) Discharge
(xii) Softening finish (l) Sodium Hydrosulphite
303 3 P.T.O.

A{V bKw CÎmar¶ àíZ (H$moB© nm±M) 2×5=10
Very Short Answer Type Questions (Any five)

2. {S>gmBqµOJ (Desizing) H$m ³¶m Cn`moJ h¡ ? 2
What is the use of Desizing ?

3. gë’$a (Sulphur) a§Jm| na {Q>ßnUr {b{IE & 2
Write a note on Sulphur dyes.

4. EµOmoBH$ (Azoic) a§Jm| Ho$ Cn¶moJ Ho$ ‘w»¶ MaU ~VmBE & 2
State the main steps of Azoic dye application.

5. H¡$[a¶a (carrier) H$m H$m¶© CXmhaU g{hV g_PmBE & 2
Explain the role of carrier with an example.

6. ãbm°M (Blotch) N>nmB© Ho$ H$n‹S>o H$m {ddaU Xr{OE & 2
Describe a blotch printed fabric.

7. nmM©‘|Q>mBµOoeZ (Parchmentization) g‘PmBE & 2
Explain Parchmentization.

8. dñÌm| na Z¡qnJ (napping) n[agÁOm H¡$go Xr OmVr h¡ ? 2
How is napping finish imparted to fabrics ?

bKw CÎmar¶ àíZ (H$moB© nm±M) 3×5=15
Short Answer Type Questions (Any five)

{ZåZ{b{IV H$s VwbZm H$s{OE :
Compare the following :

9. J¡g (Gas) d ßboQ> (Plate) qgqOJ (Singeing) 3
Gas and Plate Singeing

10. S>m`ao³Q> (Direct) d Eo{gS> (Acid) a§J 3
Direct and Acid Dyes

11. AdamoYH$ d S>m`ao³Q> (Direct) N>nmB© 3
Resist and Direct Printing

303 4

12. ãbm°H$ (Block) d âbm°H$ (Flock) N>nmB© 3
Block and Flock Printing

13. hñV d Am°Q>mo‘¡{Q>H$ âb¡Q> ~oS> ñH«$sZ (Automatic Flat Bed Screen) N>nmB© 3
Hand and Automatic Flat Bed Screen Printing

14. AñWmB© d ñWmB© n[agÁOm 3
Temporary and Durable Finishes

15. dm°Q>aày’$ (Waterproof) d dm°Q>a [anob|Q> (Water Repellent) n[agÁOm 3
Waterproof and Water Repellent Finish

IÊS> I
SECTION B

XrK© CÎmar¶ àíZ (H$moB© VrZ) 5×3=15
Long Answer Type Questions (Any three)

16. ‘agamBµOoeZ (Mercerization) H$mo {dñVma go g‘PmBE & 5
Explain Mercerization in detail.

17. ãbrqMJ (Bleaching) ³¶m| Am¡a H¡$go H$s OmVr h¡ ? 5
Why and how is bleaching carried out ?

18. D$Zr dñÌm| H$s Aew{Õ¶m± d CÝh| hQ>mZo Ho$ VarHo$ ~VmBE & 5
State the impurities present in wool and the processes used for their
removal.

19. nmo{bEñQ>a H$n‹S>m| (Polyester) na {S>ñng© (disperse) a§J H$aZo H$s Xmo {d{Y¶m| H$m dU©Z
H$s{OE & 5
Describe two methods of applying disperse dyes on polyester fabrics.

20. aoe‘r H$n‹S>m| na Eo{gS> (Acid) a§J M‹T>mZo H$s {d{Y H$m dU©Z H$s{OE & 5
Explain the method of applying acid dyes on silk fabrics.

303 5 P.T.O.