Textile Sizing Process: Softeners and Lubricants

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Questions and Answers

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?

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

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

<p>Yards (C)</p> Signup and view all the answers

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

<p>To make the yarn extensible and flexible (D)</p> Signup and view all the answers

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

<p>Starch thinning agents (C)</p> Signup and view all the answers

What is the purpose of humectants in the sizing process?

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

What is an important quality of sizing materials?

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

What is the purpose of defoamers in the sizing process?

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

What varies from machine to machine in the sizing process?

<p>The composition of sizing materials (D)</p> Signup and view all the answers

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

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

What material are dropper wires typically made of?

<p>Steel, aluminum, or copper (D)</p> Signup and view all the answers

What is the purpose of heald frames in a loom?

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

What is obtained from a particular weave design?

<p>Drawing-in draft (D)</p> Signup and view all the answers

What does a drawing-in draft show?

<p>The number of heald frames required (A)</p> Signup and view all the answers

What shedding mechanism does not use heald frames?

<p>Jacquard shedding mechanism (D)</p> Signup and view all the answers

What is the total number of ends in the fabric?

<p>3600 (B)</p> Signup and view all the answers

How many heald wires are in Frame 1?

<p>720 (B)</p> Signup and view all the answers

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

<p>Cone (B)</p> Signup and view all the answers

What is the special winding process used for pirns?

<p>Pirn winding (D)</p> Signup and view all the answers

What is the total heald count in all frames?

<p>60 x 12 (A)</p> Signup and view all the answers

What is the purpose of pirn winding?

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

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

<p>Drawing-in Draft (D)</p> Signup and view all the answers

What is the purpose of the drawing-in draft?

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

How many types of drafts are mentioned in the text?

<p>4 (B)</p> Signup and view all the answers

What is the lifting order constructed from?

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

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

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

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

<p>Lifting Order (C)</p> Signup and view all the answers

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