Winding and Yarn Preparation - Fabric Manufacture, Structure and Properties - Textile Engineering & Fibre Science Previous Year Questions

1

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2007

Yarn tension during unwinding from a cop is

A

High at full cop and low at empty cop

B

Constant irrespective of stage of unwinding

C

Low at full cop and high at empty cop

D

Highest at the beginning, decreases gradually and rises again

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2

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2007

In the context of winding, occurrence of slough off increases with

A

Increase in winding speed, decrease in cone angle, decrease in chase length, increase in coils per cm

B

Increase in winding speed, increase in cone angle, decrease in chase length, increase in coils per cm

C

Decrease in winding speed, decrease in cone angle, increase in chase length, decrease in coils per cm

D

Increase in winding speed, decrease in cone angle, increase in chase length, decrease in coils per cm

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3

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2007

In a winding operation if \(E\) is clearing efficiency, \(K\) is knot factor and \(n\) is number of objectionable faults present in the yarn, then total number of clearer breaks occurring on the machine would be

A

\(EKn\)

B

\(EK/n\)

C

\(En/K\)

D

\(En^2K\)

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4

2008 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2008

If the machine winds at 800 m/min, without any interruption, the time (min) taken for winding would be

A

125

B

100

C

25

D

12.5

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5

2009 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2009

Surface speed of cone in relation to surface speed of winding drum is

A

Equal at all points

B

Higher at all points

C

Lower at all points

D

Higher at some points and lower at other points

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6

2010 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2010

In drum winding, package density is independent of

A

Yarn tension

B

Applied package/drum pressure

C

Yarn strength

D

Angle of wind

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7

2011 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2011

In a drum driven winder

A

Traverse ratio is constant

B

Traverse ratio reduces with the increase in package diameter

C

Angle of wind increases with the increase in package diameter

D

Angle of wind reduces with the increase in package diameter

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8

2013 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2013

Increase in taper angle on sectional warping drum will normally require

A

Higher warping speed

B

Lower warping speed

C

Increase in traverse speed

D

Decrease in traverse speed

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9

2013 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2013

On a winding machine, if the winding speed is increased from 1000 m/min to 1200 m/min, the percentage increase in the yarn tension will be approximately

A

12

B

24

C

36

D

44

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10

2013 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2013

Distance in mm of point of drive from the base of the cone along the traverse is approximately

A

26

B

30

C

36

D

40

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11

2015 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2015

Patterning is most likely to occur in

A

Precision winding

B

Random winding

C

Step-precision winding

D

Pirn winding

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12

2015 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2015

The groove drum in a random winder makes five revolutions for one double traverse. If the drum and package diameters are 10 cm and 5 cm, respectively, the wind per double traverse would be __________

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13

2016 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2016

The time required (minutes) to wind 10 kg of 40 tex yarn when the winding machine works at 1000 m/min with an efficiency of 90% is __________

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14

2018 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2018

With time, wind per double traverse in a drum-driven winder

A

Increases

B

Decreases

C

Remains constant

D

First increases and then decreases

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15

2020 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2020

A magazine creel has 800 package holders. The effective creel capacity (number) is __________.

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16

2020 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2020

In a drum-driven winder, the grooved drum having a width of 20 cm is rotating at 1000 rpm. If the drum makes 5 revolutions per double traverse, the traverse speed (m/min) is __________.

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17

2021 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2021

In winding, if traverse speed and package surface speed are the same, the angle of wind (in degree) is __________.

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18

2024 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2024

A winder operates at 750 m/min with 93 % efficiency. Time (min) taken for the winder to wind 1.2 kg of 20 tex yarn is approximately

A

68

B

74

C

86

D

90

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19

2025 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering & Fibre Science (TF) 2025

Cone winding machines equipped with electronic yarn clearers remove the following defect(s) from the spun yarn

A

imperfections

B

objectionable faults

C

long hairs

D

vegetable matters

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20

2026 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Winding and Yarn Preparation

Textile Engineering and Fibre Science (TF) 2026

For a given cone angle of a sectional warping machine drum, the traverse velocity of warp band depends on ______.

A

yarn strength

B

yarn modulus

C

yarn hairiness

D

yarn diameter

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