Fabric Geometry and Properties - Fabric Manufacture, Structure and Properties - Textile Engineering & Fibre Science Previous Year Questions

1

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2007

What will be the approximate crimp percentage for a square fabric if thread spacing is equal to the sum of the diameters of warp and weft threads?

A

4.3

B

10.3

C

14.3

D

18.3

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2

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2007

On a drape meter, the area of projected image of draped fabric of 30 cm diameter kept on an anvil of 18 cm diameter was measured as 362 cm². The drape coefficient of the fabric is approximately

A

0.6

B

0.7

C

0.8

D

0.9

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3

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2007

36 Ne cotton yarn is used to produce a square fabric of 101 g/m², having 10% yarn crimp
Number of threads per cm in the fabric is approximately

A

14

B

28

C

42

D

56

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4

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2007

Percentage of area covered by yarn in the fabric is approximately

A

50

B

65

C

80

D

95

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5

2008 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2008

The ratio of warp way modular length to sum of thread diameters is

A

0.119

B

0.19

C

1.19

D

11.9

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6

2008 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2008

The crimp (%) in weft yarn is

A

1.03

B

6.26

C

10.26

D

12.26

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7

2008 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2008

The fabric thickness (mm) will be

A

0.04

B

0.36

C

3.62

D

13.62

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8

2009 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2009

A fabric having 30 tex warp and 20 tex weft with 40 ends/cm and 30 picks/cm has 10% crimp in both warp and weft yarns. The fabric weight in g/m² will be

A

178

B

188

C

198

D

208

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9

2009 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2009

Projected area of a 30 cm diameter fabric specimen placed on 20 cm diameter support plate of drape tester is 302 cm². Drape coefficient for this fabric is approximately

A

0.47

B

0.57

C

0.67

D

0.77

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10

2009 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2009

The tear resistance of woven fabric increases with

A

P, Q, R

B

Q, R, S

C

P, R, S

D

P, Q, S

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11

2009 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2009

Thread spacing (mm) in the fabric as

A

0.433

B

0.500

C

0.866

D

1.000

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12

2009 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2009

Approximate crimp (%) in warp and weft yarns as

A

6

B

11

C

16

D

21

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13

2010 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2010

Thickness of the fabric will be

A

0.003 cm

B

0.033 cm

C

0.025 cm

D

0.005 cm

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14

2010 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2010

The estimated specific volume of the fabric in cm³/g will be

A

2.62

B

0.62

C

3.62

D

1.62

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15

2011 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2011

Fabrics with the same sett but different weaves are woven on a loom. The tear strength will be minimum in a fabric having

A

Plain weave

B

3/1 twill weave

C

5-end satin weave

D

2/2 matt weave

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16

2011 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2011

The property of fabric which influences drape the most is

A

Tensile

B

Compressional

C

Shear

D

Surface

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17

2011 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2011

For a plain woven fabric, the diameters of warp and weft yarns are 0.2 mm and 0.3 mm, respectively. The crimp in warp yarn is 9 % and pick spacing is 0.4 mm. The fabric thickness in mm is

A

0.32

B

0.50

C

0.64

D

0.75

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18

2011 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2011

Warp and weft yarns with diameters of 0.4 mm and 0.6 mm, respectively, are used to produce plain woven fabric with end spacing of 0.8 mm and pick spacing of 1.2 mm. Assuming the degree of flattening to be 0.8 in both warp and weft yarns, the approximate fabric cover would be

A

0.56

B

0.66

C

0.76

D

0.86

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19

2013 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2013

In a given woven fabric the extension at break in weft direction is higher than that in warp direction. During bursting strength test, the threads that will always break first are

A

Warp

B

Weft

C

Both warp and weft simultaneously

D

Those with lower strength

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20

2013 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Fabric Geometry and Properties

Textile Engineering & Fibre Science (TF) 2013

A square plain jammed woven fabric of 0.5 mm thickness is to be produced from polyester yarns. Assuming circular yarn cross-section, the number of picks per cm in the fabric on the loom is approximately

A

13

B

18

C

23

D

28

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