Thursday 23 November 2023

Basic Viva For Textile Engineers (Apparel or Garments Related) Part-7

 

181. How fusible interlining is manufactured?
Ans. By using a resin coating of thermoplastic materials on a piece of fabric.

182. For symmetrical fabric marker efficiency is high and less efficiency for asymmetrical fabric? (True/false)
Ans. True.

183. The more large patterns and less small patterns reduce marker efficiency? (True/false)
Ans. True.

184. For more small patterns, marker efficiency will be increased? (True/false)
Ans. True.

185. What do you know about symmetrical fabric?
Ans. Fabric which can retain the same appearance in case of turning in 180° angle called symmetrical fabric. e.g. solid dyed fabric.

186. What do you know about the asymmetrical fabric?
Ans. Asymmetrical fabric is those which can not retain the same appearance while turning in 180° angle. E.g. pile fabric, brushed fabric etc.

187. What are the methods of marker making?
Ans.
Manual,
Computerized.

188. What are the wastage of marker?
Ans.
(I) Inside wastage
(II) Outside wastage
Ends of ply losses (2-4) inch
Loss of fabric ends
Selvedge losses
Purchase losses

189. What is sample?
Ans. The garment which is needed for bulk production is called sample garment.

190. What is sewing?
Ans. The process of joining of fabric by the use of needle and sewing thread is called sewing.

191. What are the basic components of sewing?
Ans.
Needle
Throat plate
Pressure foot
Feed dogs
Sewing thread and fabric.

192. Write some name of sewing defects?
Ans.
Seam pucker
Broken or open stitch
Staggered stitch
Slipped or skipped stitch
Vertical stitch density.

193. What do you mean by seam puckering?
Ans. Stitching with unwanted gathering.

194. What do you mean by pressing and Finishing?
Ans. The process by which the unwanted crease and winkles are removed from the garments and the outlook of the garments is improved as well.

195. Which iron is used for industrial purposes?
Ans. Steam irons.

196. What do you know about lings?
Ans. Lings is the measuring unit of button diameter. To measure the outer diameter of button we use lings number. 1 ling = 1/40 inch = 0.025 inch = 0.636 mm

197. How many types of label?
Ans. There are mainly three types of label
Main label,
Size label,
Care label.
The all other of label are called sub label.

198. What do you know about motif?
Ans. The special component which is attached outside of the garment for decorative purpose called motif. e.g. company name, trade mark or other symbols can be written on the motif.

199. What do you know about dart and pleat ?
Ans.
Dart = part of cloth is folded and stitched to slenderize it
A pleat is a type of fold formed by doubling fabric back upon itself and securing it in place or the pleat shows the form being folded and stitched.

200. How many types of woven fabric?
Ans. Three types – (I) yarn dyed (II) solid dyed(s/d) (III) Denim

201. Desizing is mandatory or obvious before washing (True/False)
Ans. True.

202. Why hot ash is necessary?
Ans. To clean the desize chemicals (introduction to cold water re-solidify the fat and wax)

203. Why M:L is important?
Ans. Without m:l we can not determine the required amount of dyes, chemicals and water during dyeing, washing and other wet processing. That’s why m:l is important.

204. What is the mechanism of producing fading effect in garments manufacturing?
Ans. Three process of fading mechanism –
Chemical action.
Mechanical action
Biological action.

205. How many types of mechanical abrasion in garments washing?
Ans. Three types –
Garment to garment.
Garment to m/c
Garment to solid material (e.g. stone)

206. How many types of chemical action in garment washing?
Ans. Three types-
Regular(Bleach wash)
Irregular(Acid wash)
Local(p.p.spray, p.p.sponge)

207. What is the factor depends on action of washing?
Ans.
Time
Temperature
Mechanical abrasion
Chemical action

208. What do you mean by costing and pricing/?
Ans.
Costing = Total consumption of garments without profit
Pricing = costing with profit.

209. What do you know about back to back L/C opening?
Ans. For purchasing fabric and accessories against main L/C.

210. What is lead time in garments?
Ans. Time start from L/C opening or order receive to garments delivery is called lead time.
Lead time — local market = 45 days
Foreign market = 90-120 days

211. What is stock lot?
Ans. When goods are made for buyer but not possible to shipping as a result goods are stain at store. This goods are called stock lot .

212. How many parts of jacket?
Ans. Three parts
Upper part is called shell
Inner part is called lining
Middle part is called interlining.

213. Write down the other commercial name of interlining?
Ans. Padding / wedding/ Bedding / polyfil.

214. What types of garments are made from feather?
Ans. Overcoats,jackets,pillow,blanket etc.

215. What types of feather are used for making garments?
Ans. Duck chest feathers.

216. What do you mean by quality?
Ans. Quality is the difference between the products or It is the goodness or badness in a product or the feather of a product which satisfy customers or end users.

217. What do you mean by label?
Ans. Label is an attached component of garment on which important information regarding the garment are written or printed.

218. What do you mean by WWSC and RSWD?
Ans.
WWSC = wash with similar color
RSWD = Re shape whilst damp.

219. Which inspection system widely used in garment industry?
Ans. 4-points system.

220. What do you mean by TAP and AQL?
Ans.
TAP = Total acceptable product in a lot
AQL = Acceptable quality limit.

221. What do you mean by core spun thread/yarn?
Ans. This thread /yarn has continuous filament polyester wrapped in cotton fibres.

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