YMT Question & Answer

8/12/2019 YMT Question & Answer

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arn Manufacturing Technology01. What is spinning?Ans: The process of making yarn by drawing out, twisting, and winding fibrous substances intoyarn or thread.

02. What is Fiber?Ans: The fundamental component used in making textile yarns and fabrics

03. What is Fiber Fineness?Ans: The mean fiber diameter which is usually expresses in microns.04. What is Fiber Length?Ans: The staple length of the fiber

05. What is Fiber Thickness?Ans: The average diameter of the fiber06. hat is !ilament"Ans: A fiber of indefinite or extreme length

07. What is natural filament?Ans: #ilk is a natural filament,0. What is Fleece?

Ans: The wool from one sheep,0!. What is "arn?Ans: A continuous strand of textile fibers that may be composed of endless filaments or shorterfibers twisted or otherwise held together10. What is #lie$ "arns?

Ans: $arns produced by two or more singles have been twisted together.11. What is %&re "arn?

Ans: A yarn made by winding one yarn around another to give the appearance of a yarn madesolely of the outer yarn.12. What is %&llapse "arn?Ans: %ollapse yarn is &usually' an over spun single, dried under tension that is then knit or

woven.

13. What is 'arnette$ "arn?Ans: A yarn that has little bits &(garnets(' of other fibers carded in.14. What is (arl "arn?

Ans: A yarn consisting of two or more single ends of different colors plyed together.15. )efine *reaking L&a$?Ans: The maximum stress needed to rupture a fiber, yarn or fabric in a tension test.1+.hat is ,taple Length?

Ans: The fiber length from a sample of fibers.17. What is -eps?

Ans: #mall knots of tangled fiber, usually consisting of short, dead or immature fiber, orcaused by over)processing.

1. What is ,narls?

Ans: #mall, curly or *kinked* places in yarns.1!. )efine an$spun?Ans: $arns which are spun by hand using a spinning wheel or electric spinner.20. )efine ,lub "arns.Ans: A yarn which is made with slubs or lumps

21. What is ,li/er?Ans: The strand of loose, roughly parallel, untwisted fibers produced in carding.


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22. What is &/ing?Ans: The soft strand of carded fiber that has been twisted, attenuated, and freed of foreign matterpreparatory to spinning.23. What is Tist?

Ans: +n spinning, this refers to the turns inserted into a yarn to bind its fibers together and therebyadd more strength.

24. What is T#?Ans: Twists per +nch &or Turns er +nch'.

25. )efine ,Tist.Ans: #pinning clockwise. Traditionally, this is the direction (singles( are spun.2+. )efine Tist.Ans: #pinning counterclockwise. Traditionally, the direction (plied( yarns are spun..

27. What is ,pinning %&unt?Ans: The fineness of which a yarn may be spun. The number of hanks of -0 yds. each in length

in / pound.2. What is %rimp?Ans: The wave effect in the wool fiber. sually the finer wools show the most crimp. niformityof desired crimp generally indicates superior wool.

2!. What is 'inning?Ans: The mechanical process that removes the cotton fibers from the seed.30. What is %ashmere?Ans: #oft, silky fiber combed from the cashmere goat with a diameter of /-.1 microns or less.

31. What is Tweed?Ans: A fabric made from woollen)spun yarn in a variety of colour and weave effects.32. What is (&hair?2ong, lustrous, silky white hair of the angora goat is stronger and more resilient than wool

33. )efine ute fibre.Ans: A vegetable bast fiber often used for basketry and course weavings.34. )efine #&l6ester.Ans: A manufactured fiber made from long)chain synthetic polymers

35. What is increase sli/er unif&rmit6?Ans: 3igher draft in drawframe will reduce sliver uniformity, but will imrprove fibre

parallelisation.3+. What is effecti/e length?Ans: The termed defined as the length of the main bulk of the longer fiber.37. & the am&unt &f tist is epresse$?

Ans: T+ 4 $arnT5 4 oving

3. What is mass stress?Ans: nit 4 %78Tex, gm8Tex

3!. What is elastic rec&/er6?Ans: 9lastic recovery 4 9lastic extension 8 total extension

40. What is the m&$ern testing e8uipment f&r spinning mill?Ans: a' 3+ 4 3igh volume instrument, b' A!+# 4 Advance fiber information system

c' #hirley analy;er 4 trash


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Ans: ing 4 +T is possible to produce about >00 count.otor 4 7ot possible to produce more than 0 count.44. What is fee$ material in r&t&r an$ ring m9c?Ans: ing m8c 4 oving

otor m8c 4 ?rawing sliver45. What is the &utput &f in$ing?

Ans: $arn in cone from.4+. .s -atural fibers are h6$r&philic in nature?

Ans: $es47. What are t6pes &f astage spinning mill?Ans: a' sable waste b' nusable waste.4. What are the usable astes in spinning mill?

Ans: a' lap waste b' sliver waste c' roving waste d' bonda waste e' pneumafil waste4!. What is fiber migrati&n?

Ans: +t means fiber distribution into the yarn.50. -umber &f fibers in 6arn cr&ss secti&n:..Ans: 60)@0.51.What is the stan$ar$ staple length &f c&tt&n fiber?

Ans: enerally 0.1 inch to B.1 inch.52. & can c/; minimi;?Ans:%v< means co)efficient variation of mass.55. )iffer beteen r&ller an$ apr&n $raft?

Ans: +n apron draft fibres are getting draft by apron and in roller draft fibres are getting?raft by pairs of roller.5+. What is aut& st&p m&ti&n?AnsD Cy a sensor if m8c is automatically stop when the m8c is reEuired to stop is called auto stop

motion.

57. Wh6 6arn is c&n$iti&ning?Ans: To increase yarn strength and moisture percent yarn is conditioning after mking cone formpackage.

5. What is =.".% setting?Ans: According to yarn Eualities parameter in auto)coner some setting is given to clear the faultsof yarn which is called 9.$.% setting.5!. Wh6 aut&c&ner is use$?

Ans: ing yarn have some irregularities which should be reduce before knitting, weaving,And dyeing. These faults are removed by auto)coner.

+0. Wh6 ea/ing 6arn is high tiste$?Ans: ?uring weaving yarn are faces to much tension than knitting so to reduce yarn breakages

weaving yarn are highly twisted.+1. What is the T( range f&r knit 6arn?Ans: !or card yarn T5 >.6))>.F And combed yarn T5 >.1G>.-+2. -ame $ifferent si, B80, >80, 80, 180, 680, -80, /080, /B80, /80, /680, /-80, B080+3. %alculate the pr&$ucti&n &f ring m9c?

Ans: ring product ion 4spindle speedHeffi.Hno. of spindle8T+ H>6 yrd.8min


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+4. What $& 6&u mean b6 T%#?Ans: T% means twist change pinion.+7. What $& 6&u mean b6 )%#?Ans: ?% means draft change pinion.

+. )iffer beteen n&il an$ sh&rt fibre?Ans: less than 0.1inch. fibres is called noil and more than 0.1 inch fibres is called short fibres.

+!. What is b&bbin lea$ing an$ fla6er lea$ing?Ans: if bobbin speeds is more than flayer it is bobbin leading and if flayer speed is more than

spindle it is flayer leading.70. & $&es n&il; calculate?AnsD 7oil


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Ans: 5ore wastages increase yarn irregularity and decrease yarn strength.. )efine c&mpact 6arn?Ans: the yarn where cotton fibres are passing through one more pairs of compact roller whichparallel the floating fibres is called compact yarn.

!. )efine span$e 6arn?Ans: the yarn where laycra is used for more elasticity properties is called spandex yarn.

!0. Which ginning pr&cess is better h6?Ans: roller gin is better because of less fibres breakage rate here.

!1. What is lignin?Ans: +t is a chemical composition of =ute fibre for which =ute is not smooth.!2. What is &pen en$ spinning?Ans: +t is a spinning system where simplex is not use.

!3. Wh6 American #(A is fam&us?Ans: +5A are longer and strong then other origin.

!4. Wh6 %, c&tt&ns are p&pular?Ans: %+# cotton properties are good then other origin and available.!5. 'i/e $ifferent natural fibres name?Ans: cotton, silk, wool, linen, =ute etc.

!+. 'i/e $ifferent manma$e fibres name?Ans: olyester, nylon, acited, rayon, glass fibre, carbon fibre.!7. & can e measure trash gra$e?

Ans: Cy 3+ m8c.!. & can e measure strengthB c&l&rB micr&nair &f fibre?Ans: Cy 3+ test.!!. & can e measure the length &f fibre?

Ans: Cy 3+ 58%, #hirley comb shorter.100. What is AF,?Ans: +t is a fibre testing m8c measure nep, #%7, J2 etc.101. What is >?

Ans: +t is a m8c by which different fibre properties are measured like length, strength, micronare,color grade, mr


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Ans: Cy carding and comber m8c.110. What is lint an$ linters?

Ans. The cotton which are got after first time ginning to seeds cotton is called lint and secondtime ginning of cotton is called linters.

111. What is thin place &f 6arn?

Ans: 2ess diameter in a certain place in yarn then the standard dia.

112. Wh6 c/; is an imp&rtant matter in spinning?AnsD %v< effect on yarn irregularity.

113. What happen hen c/; g&es high in sli/er?

Ans : 5ass variation per unit length is increase.114. Where $&es c/; /ariati&n c&ntr&lle$?Ans: +n drawing frame.115. What $& 6&u mean b6 C;?

Ans: < means unevenness percent.

11+. & can C; minimi


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Ans. #liver wastage,roving wastage.134. What is the ring frame astage?Ans. neumafil, hard waste, bonda waste etc.

135. What is car$ing aste?

Ans. ?ropping, tecker in waste, flat stripe,motes K flies, sliver waste.13+. What is bl& r&&m aste?

Ans. ?ropping,dust,filter waste"137. & much trush; in c&tt&n?Ans. enerally /< to /06H/8-0H&/8countor hank'Heffi6H60Hefficiency


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Ans. $es152. *urning smell &f c&tt&n is like as burning paper D6es9n&E?

Ans. $es

153. s n6l&n $iss&l/e$ int& 20;%L9phen&l?

Ans. $es

154. What is m&$el length?

Ans. +t is the length of group of fibres where the most number of fibres have eEual length.

154. What is spun length?

Ans. +t is the lyerm by which we can determined the < of fibre length in case of cotton wool etc.

155. What is staple length?Ans. The average length of spinable fibre is called stable length.

15+. What $& 6&u mean b6 batching?Ans: All the process preparatory to carding includes in the batching. +t is the primary stage of =uteprocessing.

157. What is the emulsi&n &f @ute?Ans: A mixture of some lubricating agent which is applied on =ute fiber to make the fiber soft and

flexible.15. Write fe names &f emulsifier?

Ans: #oap, detergent, wetting agent.15!. What is metric s6stem?

Ans: 7m42ength in kilometer per kilogram of yarn or sliver1+0. What is =nglish s6stem?Ans: 7e42ength in hanks per pound of yarn or sliver

1+1. Write $&n pr&$ucti&n &f the c&mber?Ans: roduction of the comber is dependent upon the following7 4 7ips per min# 4 feed in mm8nip 4 lap weight in g8m

M4 7oil percentageA 4 tension draft between lap and feed roller &from /.01to/./'9 4 efficiencyroduction 4 &9 x 7 x # x x &/00)M' x 60 x - 8 &/000 N /000 x A x /00'.

1+2. What ma6 be the ring $ia?Ans: common dia are >1, >-, 0, B,mm

1+3. )efine flange?

Ans: the place where traveler moves is called flange.1+4. What is the life time &f a ring?Ans: to /0 years

1+5. What are the c&mp&nents &f ring?Ans: low carbon steel i.e soft steel or of ceramic.1++ . What are the parts &f tra/eler?Ans: a' Cow

b' 3oonc' !lange


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1+7. What is the first pr&cess in 6&ur pr&$ucti&n?Ans: Clow room.1+. What pr&cess is use$ after $ra frame?

Ans: #implex.

1+!. What pr&cess is use$ after simple?

Ans: ing frame.

170. What is the pr&$ucti&n &f bl& r&&m?

Ans: 2ap.

171. What is the pr&$ucti&n &f car$ing machine?

Ans: #liver.

172. What is the pr&$ucti&n &f $ra frame?

Ans: #liver8 drawing sliver.

173. What is the pr&$ucti&n &f simple?

Ans: oving.

174. What is the pr&$ucti&n &f ring frame?

Ans: $arn.

175. What is the input &f bl& r&&m? GAns: Cale.

17+. What is the input &f car$ing machine?

Ans: 2ap8 now chute feed system being used.

177. What is the input &f c&mbing?

Ans: #liver lap K number of doubling is usually B0)B.

17. What is the input &f simple?

Ans: ?rawn sliver, #liver hank 0./B80./80./6, etc.

17!. What is the input &f ring frame?.

Ans: oving 8roving hank may be [email protected],etc.

10. What is micr&n ire /alue?

Ans: 5icro gram per inch.


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11. Write $&n the classificati&n &f fiber?

Ans: &+' 7atural, &++' 5an made fiber.

12. What is the rati& beteen length an$ ith &f fiber?

Ans: /000:/

13. Tist an$ tist $irecti&n &f 6arn affects the fiber structure DTrue9FalseE

Ans: True

14. What is C?

Ans: 4niformity ratio4 &1010 to /:6000

1!3. n staple9spun 6arn tist is must D"es9-&E?

Ans: $es

1!4. %&tt&n is $iss&l/e$ int& 70;2,H4 D"es9-&E?


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Ans: $es

1!5. >isc&se is $iss&l/e$ int& 70;2,H4 D"es9-&E?

Ans: $es

1!+. Which &ne is bestB c&mbe$ 6arn &r car$e$ 6arn?

Ans: %ombed yarn.

1!7. &/ing is in$ int& the b&bbin D"es9-&E?

Ans: $es.

1!. f b&n$ present in fiber then fiber gets m&re strength D"es9-&E?

Ans: $es

1!!. ute plant ha/e high %H2 Assembling rate D"es9-&E?

Ans:$es

200. & fiber is f&rme$?

Ans. 9lementsO 5onomer8molecules8macromoleculesO olymer chainO !ibrils8micelleO !ibre

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YMT Question & Answer