Knitting and Knitted Structures - Fabric Manufacture, Structure and Properties - Textile Engineering & Fibre Science Previous Year Questions

1

2007 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2007

Consider the following statements in the context of a plain weft knitted structure and choose the INCORRECT statement

A

With increase in loop length areal density decreases

B

With increase in loop length fabric width increases

C

With increase in loop length fabric length increases

D

With increase in loop length tightness factor increases

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2

2008 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2008

As compared to an equivalent plain fabric, theoretically a 1x1 rib fabric is

A

Four times as thick and twice as wide

B

Half as thick and twice as wide

C

Twice as thick and half as wide

D

Twice as thick and twice as wide

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3

2009 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2009

In fully relaxed state the loop shape factor (defined as a ratio of courses per unit length to wales per unit length) of a plain weft knitted cotton fabric will be approximately

A

0.3

B

0.8

C

1.3

D

1.8

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4

2011 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2011

In a flat bed knitting machine, the loop length is controlled by

A

Raising cam

B

Stitch cam

C

Clearing cam

D

Guard cam

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5

2013 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2013

In weft knitted fabrics of the same mass per unit area produced from the same yarns, the structure which will give the highest thickness is

A

Plain

B

Rib

C

Purl

D

Interlock

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6

2014 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2014

Higher value of stitch cam setting in a weft knitting machine would

A

Increase the loop length and decrease the fabric areal density

B

Increase the loop length and increase the fabric areal density

C

Decrease the loop length and decrease the fabric areal density

D

Decrease the loop length and increase the fabric areal density

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7

2015 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2015

Purl is a

A

B

C

D

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8

2016 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2016

A 38 cm diameter circular knitting machine accommodates 4 needles per cm. The stitch length is 6 mm and wale constant can be assumed to be 42.2. The flat fabric width (cm) in finished - relaxed form is __________

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9

2017 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2017

A tuck stitch in knitting makes the fabric

A

Narrower

B

Thinner

C

More rigid in course direction

D

Wider and porous

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10

2018 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2018

If wale constant and course constant for knitted fabrics are 4.2 and 5.46, respectively, then the value of the loop shape factor, accurate to one decimal place, is ____________________

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11

2019 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2019

The movements of guide bars in warp knitting are

A

Swinging and shaking

B

Shaking and shogging

C

Shogging and twisting

D

Swinging and shogging

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12

2019 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2019

If the linear density (tex) of a yarn is doubled, then percentage increase in tightness factor of single jersey knitted fabric (rounded off to 1 decimal place) is __________.

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13

2021 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2021

Fabric structure related to weft knitting is

A

Locknit

B

Reverse locknit

C

Double tricot

D

1×1 Rib

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14

2023 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2023

Amongst the following weft knitted structures, double jersey structure(s) is/are

A

Rib

B

Interlock

C

Single cross tuck

D

Eight lock

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15

2023 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2023

In warp knitting, the lapping movement having only under-lap is

A

Closed lap

B

Open lap

C

Laying-in

D

Miss-lapping

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16

2023 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2023

A circular knitting machine of 26 inch diameter and 20 gauge with 120 feeders is running at 30 rpm to produce a plain knitted fabric by using 30 tex yarn. If the loop length is 3 mm, then the rate of production (kg/h) of the machine (rounded off to 1 decimal place) is __________.

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17

2024 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2024

A circular weft knitting machine with 24 inch gauge and 20 inch diameter needle bed is used to make a tubular knitted fabric. If the fabric shrinks by 35 % in course-wise direction upon withdrawal from the machine, the circumference (inch) of the shrunk tubular fabric is approximately

A

40.9

B

56.2

C

68.6

D

72.2

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18

2025 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering & Fibre Science (TF) 2025

Amongst the following, the component which is NOT a part of single-bed warp knitting machine, is

A

Guide bar

B

Needle bar

C

Sinker

D

Heald shaft

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19

2026 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering and Fibre Science (TF) 2026

With reference to knitting, which of the following statements is/are correct?

A

A fabric with tuck loop is thinner than that with knit loop

B

A fabric with tuck loop is wider than that with knit loop

C

A fabric with tuck loop is thicker than that with knit loop

D

A fabric with tuck loop is narrower than that with knit loop

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20

2026 · Textile Engineering & Fibre Science · Fabric Manufacture, Structure and Properties · Knitting and Knitted Structures

Textile Engineering and Fibre Science (TF) 2026

In a knitted fabric, if the loop shape factor is 1.25 and the wales per cm is 10, then the courses per cm is __________. (rounded off to one decimal place)

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