Pre-wetting in Textile Sizing

What is the primary purpose of applying high squeezing pressure in the size box?

To ensure adequate pre-wetting and avoid dilution of size liquor (correct)
To reduce the hairiness of yarn
To improve the adhesion of the yarn to the warp beam
To increase the size add-on to the yarn

What is the benefit of using pre-wetting in the size box?

It improves the surface adhesion of the size to the yarn and reduces the size add-on by 30-50% (correct)
It has no effect on yarn strength and size add-on
It reduces the size add-on to the yarn by 10-20%
It increases the yarn strength by 50-60%

What is the function of the immersion roller in the size box?

To control the amount of sizing material applied to the yarn
To squeeze off excess size solution
To measure the yarn strength
To dip the yarn sheets into the size liquor (correct)

What is the effect of pre-wetting on yarn strength?

It increases the yarn strength by 15-20% (A) Signup and view all the answers

What is the purpose of using multiple size boxes?

To accommodate different size materials, warp quality and density (A) Signup and view all the answers

What is the function of the squeeze rollers in the size box?

To squeeze off excess size solution (D) Signup and view all the answers

What is the total number of ends in a reed plan with 36 dents per inch and 2 ends per dent?

72 (D) Signup and view all the answers

What is the primary function of the reed in a loom?

To perform the primary motion of beating-up (A) Signup and view all the answers

If the reed count is 72 Stockport, what is the average warp thread density in a reed plan with 24 total ends and 16 total dents?

54 inch (D) Signup and view all the answers

What is the Stockport reed count required to achieve 56 ends per inch with a reed plan of 2 ends per dent?

28 (A) Signup and view all the answers

What is the term for the gap between two consecutive wires of a reed?

Dent (A) Signup and view all the answers

If the reed count is 30 dents per inch, what is the average warp thread density in a reed plan with 18 total ends and 13 total dents?

41.5 inch (D) Signup and view all the answers

How is the count of the reed defined in the Stockport reed counting system?

Number of dents per two inches of the reed (B) Signup and view all the answers

What is the purpose of the reed in controlling the warp thread density?

To maintain the required warp thread density (B) Signup and view all the answers

What is the relationship between the Stockport reed count and the number of ends per inch in a reed plan?

The Stockport reed count is directly proportional to the number of ends per inch. (D) Signup and view all the answers

What is the main factor that determines the count of the reed to be used?

Warp thread density required in the fabric (A) Signup and view all the answers

What is the purpose of calculating the average warp thread density in a reed plan?

To determine the density of the fabric. (A) Signup and view all the answers

What is the purpose of the reed in keeping the warp yarns straight and parallel to each other?

To ensure uniform tension (D) Signup and view all the answers

What is the main purpose of the drawing-in draft?

To determine the number of heald frames required for a particular weave design (D) Signup and view all the answers

What determines the number of columns in the lifting order?

The number of heald frames shown by the drawing-in draft (B) Signup and view all the answers

What is the term used to describe the number of ends passing through each dent of the reed?

Reed plan (D) Signup and view all the answers

What is the relationship between the number of rows in the lifting order and the number of rows in the weave design?

The number of rows in the lifting order is equal to the number of rows in the weave design (A) Signup and view all the answers

What type of draft is used when the warp yarns pass through the heald frames in a staggered manner?

Mixed or staggered draft (D) Signup and view all the answers

What is characteristic of a regular reed plan?

Same number of ends per dent used throughout the width of the fabric (C) Signup and view all the answers

What is the term for the order of passing the warp yarns through different heald frames?

Drawing-in draft (A) Signup and view all the answers

What is the relationship between the weave design, DID, and lifting order?

They are strongly interconnected (A) Signup and view all the answers

What is possible to construct from a given weave design?

Both the lifting order and DID (D) Signup and view all the answers

What is constructed from the weave design and its drawing-in draft?

The lifting order (C) Signup and view all the answers

What is an alternative way to construct a weave design?

By changing the lifting order and keeping the DID constant (B) Signup and view all the answers

What is the term used to describe the process of constructing a weave design from a given lifting order?

Weave design construction (B) Signup and view all the answers