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Flax Fibre Processing: Breaking and Scutching Quiz

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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?

Pectins, waxes, and gums Signup and view all the answers

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

To remove the rotten outer woody covering Signup and view all the answers

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

To separate the short fibres from the long fibres Signup and view all the answers

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

The presence of nodes or irregular joint formations gives a bamboo shoot-like appearance Signup and view all the answers

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

Wet spinning results in more parallelly arranged fibres Signup and view all the answers

Why is it imperative to remove impurities from raw wool?

To prepare the wool for further processing Signup and view all the answers

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

To assess overall fiber fineness and quality Signup and view all the answers

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

To eliminate impurities like sand and grease Signup and view all the answers

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

'Lamb's wool' is softer and finer than 'pulled wool' Signup and view all the answers