Textile Sizing Process: Softeners and Lubricants

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What is the temperature in degrees Celsius for steaming in the sizing production process?

80°C
90°C (correct)
100°C
85°C

What is the unit of time for the variable 'th' in the production calculation formula?

Minutes
Seconds
Days
Hours (correct)

What is the symbol used to represent the number of ends of a weaver's beam in the production calculation formula?

Ne
ES (correct)
Eff
th

What is the formula to calculate the actual production in yards?

Sizing Rate(yds/min) x 60 x th x Eff. (B) Signup and view all the answers

What is the unit of measurement for the actual production calculated using the formula?

Yards (C) Signup and view all the answers

What is the primary purpose of using softening agents in the sizing process?

To make the yarn extensible and flexible (D) Signup and view all the answers

Which of the following is NOT a type of softener or lubricant used in the sizing process?

Starch thinning agents (C) Signup and view all the answers

What is the purpose of humectants in the sizing process?

To maintain minimum moisture in the sized warp sheet (A) Signup and view all the answers

What is an important quality of sizing materials?

They should give the fewest yarn breakages during weaving (D) Signup and view all the answers

What is the purpose of defoamers in the sizing process?

To restrict the formation of foam in the sizing solution (B) Signup and view all the answers

What varies from machine to machine in the sizing process?

The composition of sizing materials (D) Signup and view all the answers

What is the primary function of dropper wires in a loom?

To stop the loom when a warp yarn breaks (C) Signup and view all the answers

What material are dropper wires typically made of?

Steel, aluminum, or copper (D) Signup and view all the answers

What is the purpose of heald frames in a loom?

To create a shed in the warp yarns (A) Signup and view all the answers

What is obtained from a particular weave design?

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

What does a drawing-in draft show?

The number of heald frames required (A) Signup and view all the answers

What shedding mechanism does not use heald frames?

Jacquard shedding mechanism (D) Signup and view all the answers

What is the total number of ends in the fabric?

3600 (B) Signup and view all the answers

How many heald wires are in Frame 1?

720 (B) Signup and view all the answers

What is the weft supply package used in shuttle-less looms?

Cone (B) Signup and view all the answers

What is the special winding process used for pirns?

Pirn winding (D) Signup and view all the answers

What is the total heald count in all frames?

60 x 12 (A) Signup and view all the answers

What is the purpose of pirn winding?

To prepare weft yarn for shuttle looms (D) 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 (D) Signup and view all the answers

What is the purpose of the drawing-in draft?

To show the number of heald frames required (A) Signup and view all the answers

How many types of drafts are mentioned in the text?

4 (B) Signup and view all the answers

What is the lifting order constructed from?

Both the weave design and its drawing-in draft (C) Signup and view all the answers

What is the rule for the number of rows in the lifting order?

It must be equal to the number of rows in the weave design (A) Signup and view all the answers

What is the term for the order of lifting of heald frames on every pick?

Lifting Order (C) Signup and view all the answers