Q.1-What does fabric analysis mean, please explain?
C.1-The production of a fabric covers many processes from supplying the yarns to be woven to shipping the fabric to the warehouse by weaving it. Before going into production, it is necessary to design the fabric or analyze an existing sample fabric and find the data needed to weave the fabric. The aim in the analysis of the fabric is to reach the information required for the production of the fabric with the same or the closest feature to the sample fabric.
It is the process of making calculations by analyzing the fabric and determining the weave in order to obtain the same fabric or the fabric closest to the sample fabric properties by making use of a sample fabric piece.
Q.2-What are the plain knitted standard fabrics, write their names in items?
C.-2-
A- Calico
B-Marmarşahi
C-Hoodcloth
C-Tulbent
D-Press
E-Poplin
F-Canvas cloth
G-Flannel
H-Broadcloth
I-Tergal
i-Organze
J-Taffeta
K-Alpaca
Q.3- What are the standard twill knitted fabrics, write their names in items?
C.3-
A-Gabardine
B-BlueJean
C-Revive
C-Stamp
D-Sayak
E-Bleyzer
F-Gabardine
G-Tartan
H-Lasticotine
I-Cashmere
İ-Gabardine Trousers
J-Lumber Shirt
Q.4- What are the satin knitted standard fabrics, write their names in items?
C.4-
A-Satin (Cotton)
B-Sunshade Satin
C-Duvet Cover Satin
C-Satin (Silk)
D-Atlas
P.5-24/1 Explain what yarn means?
C.5-Thread number is 24, English cotton and single ply.
P.6-48/2 What does Nd yarn mean?
C.6-Thread number 24 Nd and two pieces of 48 number yarn, which is formed by folding and twisting.
P.7.70/36 What is PES Nd Yarn, please explain?
It consists of C.7.Nd and 36 filaments.
Q.8-What are the tools and equipment used in fabric analysis?
C.8-Lup, precision balance, analysis needle, pattern paper, scissors, ruler, cloth cutting tool, pencil, tweezers.
Q.9-Write the order of operations in fabric analysis in items?
C.9-
A-Identification of the reverse or face of the fabric.
B-Determination of warp and weft direction of the fabric.
C- Finding the fabric weight.
D-Determination of yarn type.
Finding the E-Thread number.
F-Determination of weft and warp densities.
Determination of G-Warp and weft pattern.
Determining the H-Mesh, drawing the drawing-in and dobby plans.
I-Testpit of pulling in width and length.
Calculation of i-Comb width.
Finding the J-Comb number, the total number of warp wires and the number of wires passing through the tooth, finding the warp and weft weight.
Finding the K-Fabric weight.
Q.10- Explain what the empty square means on the pattern paper?
C.10- It refers to the weft thread, that is, the weft thread passes over the warp thread.
Q.11- What does the filled square represent on the pattern paper, please explain?
C.11- It refers to the warp thread, that is, the warp thread passes over the weft thread.
Q.12-What are the yarns numbered in the length unit system?
C.12-Number is metric, Number is English cotton, Number is English Worsted, Number is English Strayhgarn, Number is French.
Q.13- What are the yarns numbered in the weight unit system?
C.13-Number denier, size tex, size Scotch
Q.14-1 What does metric thread mean, please explain?
C.14-1000 grams of yarn, which is 1000 grams, is Number 1 metric.
Q.15-1 What does British cotton yarn mean, please explain?
C.15-768 meters means 453,6 grams of yarn.
Q.16-1 What does denier yarn mean, please explain?
C.16-9000 meters means 1000 grams of yarn.
Q.17- Explain what is the difference between Length unit system and Weight unit system?
C.17-
In the length unit system, the length is variable and the weight is constant.
In the weight unit system, the weight is variable and the length is fixed.
Q.18-What are the textile surfaces, write in items?
C.18-
A-Knitted Surfaces
B-Woven Surfaces
C-Non-Woven Surfaces
Q.19-What are the main braids?
C.19- Plain, Twill and Satin.
Q.20-What are Braids Derived from Plain Weave?
C.20-Rips and Panama.
Q.21-What are the types of Rips Braids?
C.21-Warp rips, weft rips, batter rips, patterned (mixed) rips, rubber rips weaves.
Q.22-Classify woven fabrics?
C.22-
A-Normal fabrics (shirts, pants, etc.)
B-Looped woven fabrics (towel, velvet)
C-Triaxial woven fabrics (industrial purpose)
D- Fabrics produced in multi-phase weaving machines (bags)
Fabrics woven with E-Rotating power system (Leno knits)
Q.23-Classify knitted fabrics?
C.23-
A-Weft knitted fabrics (fabrics produced in flat and circular knitting machines)
B-Wrap knitted fabrics (produced in warp automat, raschel, crochet machines)
Q.24-Classify nonwovens?
C.24-
Fabrics produced with A-Stitch knitting technique.
B-Tufting surfaces.
Surfaces obtained by C-gluing method.
D-Fixed cheesecloth (Nonwowen).
Surfaces obtained by coating a textile surface with E-Coating material.
Q.24-What is the formula used to determine the yarn count?
C.24-N=U/A.
P.25-After determining the warp and weft threads in the fabric sample to be analyzed, the fabric was cut to be 5 cm wide and 5 cm long.
a) 10 warp threads were removed from the fabric and weighed on a precision scale. 1.50 grams came. What is the number of this warp yarn in Nm?
b) 10 Weft threads were removed from the fabric and weighed on a precision scale. 2.50 grams came. What is the number of this Weft yarn in Nm?
C.25-
a) CHIPNO = 0,5 mt / 1,5 gr = 0,3 Nm
b) AIPNO = 1,5 mt / 2,5 gr
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