Weaving

Question 1

Among plain, twill and satin, which weave structure gives the best surface lustre?

Answer 1

Satin

Question 2

Why is plain woven fabric good with ‘not snagging’?

Answer 2

Lowest float length of weave structures

Question 3

State the type of weft insertion which has the lowest production rate

Answer 3

Shuttle

Question 4

State the part name of a weaving loom used to control the sett of warp yarn.

Answer 4

Reed

Question 5

Which weave structure provides the best abrasion resistance?

Answer 5

Plain weave

Question 6

State the essential properties of warp yarn for a woven cloth.

Answer 6

Uniform; or strong, relatively high twist; equal tension from warp beam

Question 7

Describe one of the weaving actions ‘beat up’.

Answer 7

Pulling ‘reed’ towards weaver to add pick to finished cloth

Question 8

Give names to the two plain weave derivatives.

Answer 8

Rib and hopstack

Question 9

State the name of parts on a dobby loom that control the raising and lowering of the warp threads, creating the shed for the weft to be inserted.

Answer 9

Shafts

Question 10

Explain ‘satin’ weave structure vs ‘sateen’.

Answer 10

Satin: long warp floats hide weft yarns

Sateen: long weft floats hide warp yarns

Question 11

State the five actions of weaving process.

Answer 11

Warp let off
Shedding
Picking
Beat up
Fabric take up

Question 12

Explain the ‘shedding’ process.

Answer 12

The opening formed when some shafts/warp yarns lift and others lower.

Question 13

Explain ‘colour and weave effect’.

Answer 13

Woven fabrics which pattern through using warp and weft yarns in various pre- determined colour combinations.

Question 14

Give two commercial names of tweed fabrics.

Answer 14

Harris tweed

Scotch tweed

Question 15

Give two commercial names of woven fabric made through ‘colour and weave effect’.

Answer 15

Tartan, gingham, check a brat, etc

Question 16

Crepe fabric is made yarns with low or high number of twist?

Answer 16

High number of twist

Question 17

Give one name of woven fabric based on the types of weave loom used it is made from.

Answer 17

Jacquard fabric or hand loom made cloth

Question 18

Give two variations/types of twill structure.

Answer 18

Herringbone, diamond

Question 19

Plain, twill and satin, which weave structure provides a woven fabric highest tear strength?

Answer 19

Satin

Question 20

Plain, twill and satin, which weave structure provides the best dimensional stability of a woven fabric?

Answer 20

Plain

Question 21

Colour effect’ and ‘weave structure’ which one affects woven fabric property?

Answer 21

Weave structure

Question 22

Satin and sateen, which structure is selected when natural staple fibre yarns is used?

Answer 22

Sateen

Question 23

State the name of weave structure gives 3D surface effect.

Answer 23

Honeycomb

Question 24

State the name of weave structure which can provide good drape of a woven fabric.

Answer 24

Satin or sateen

Question 25

Describe dobby weaving mechanism.

Answer 25

Groups of warp yarns are lifted by shafts

Question 26

Describe jacquard weaving mechanism.

Answer 26

Individual warp yarns are lifted

Question 27

Name the 5 types of loom

Answer 27

- draw loom - Dobby - jacquard - tapestry - carpet

Question 28

How doe a jacquard loom work?

Answer 28

-individual threads are lifted to create patterning, large scale designs possible

Question 29

What is fabric take-up?

Answer 29

When the finished cloth rolls around the beam

Question 30

Name the 5 weft insertion devices

Answer 30

- shuttle - rapier - jets (air or water) - projectile - multi-face insertion

Question 31

How can you recognise a twill?

Answer 31

- distinguishable diagonal line | - more yarns packed into a given area than plain weave