Flax Fibre Processing: Breaking and Scutching Quiz
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Questions and Answers

Which process involves exposing flax stems to dew and sunlight to rot the outer portions of the stem?

  • Stream retting (correct)
  • Heckling
  • Scutching
  • Breaking

What is the purpose of the rippling process in flax harvesting?

  • To remove the outer woody covering of the stem
  • To remove the seed pods (correct)
  • To dry the stems
  • To extract the flax fibers

Why is dew retting hardly used today?

  • It damages the flax fibers
  • It produces low-quality linen
  • It requires a lot of time and space (correct)
  • It is harmful to the environment

Which substance seals the flax fibers together just beneath the outer covering of the flax stem?

<p>Pectins, waxes, and gums (B)</p> Signup and view all the answers

What is the primary purpose of breaking and scutching in the processing of flax fibres?

<p>To remove the rotten outer woody covering (B)</p> Signup and view all the answers

What is the purpose of hackling or combing in the processing of flax fibres?

<p>To separate the short fibres from the long fibres (D)</p> Signup and view all the answers

Which best describes the microscopic properties of flax fibre based on the text?

<p>The presence of nodes or irregular joint formations gives a bamboo shoot-like appearance (D)</p> Signup and view all the answers

What distinguishes wet spinning from dry spinning in flax fibre processing?

<p>Wet spinning results in more parallelly arranged fibres (B)</p> Signup and view all the answers

Why is it imperative to remove impurities from raw wool?

<p>To prepare the wool for further processing (B)</p> Signup and view all the answers

What is the main purpose of grading the fleece according to the text?

<p>To assess overall fiber fineness and quality (C)</p> Signup and view all the answers

What is the significance of sending wool for scouring after grading?

<p>To eliminate impurities like sand and grease (C)</p> Signup and view all the answers

What is the difference between 'lamb's wool' and 'pulled wool' as mentioned in the text?

<p>'Lamb's wool' is softer and finer than 'pulled wool' (C)</p> Signup and view all the answers

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