Practice Questions

Contrast yarn and thread based on their primary use in the textile industry.

Justify the use of a tightly twisted yarn for making denim jeans.

Justify the application of a 'sanforisation' finish to cotton fabrics.

Formulate a reason why knitting is a more suitable method than weaving for producing socks.

Analyze the hierarchical relationship between a fibre, a yarn, and a fabric.

Define the term 'textiles' as mentioned in the chapter.

List the four main types of natural fibres based on their source and provide one example for each type.

Name the two types of fabrics that can be made directly from fibres without an intermediate yarn stage.

Recall the first manufactured fibre that was commercially produced and was often called 'Artificial Silk'.

Name the bast fibre obtained from the stems of the flax plant.

Examine the structure of a woven fabric and identify the term for the lengthwise and widthwise yarns.

Apply your knowledge of fibre classification to categorize linen based on its origin and chemical type.

Identify the term used for the process of separating cotton fibres from the seeds.

Design a simple woven pattern for a tablecloth using two different colours of yarn. Describe how you would use the warp and filling yarns to create this design.

Formulate a hypothesis explaining why the first manufactured fibre, Rayon, was referred to as 'Artificial Silk'.

Propose a suitable fabric for a marathon runner's T-shirt and justify your choice based on at least two key fibre properties.

Evaluate the reliability of the burning test for identifying a terry-cot (polyester-cotton blend) fabric.

Describe the difference between 'yarn number' and 'yarn twist' as they relate to yarn terminology.

Compare the process of making yarn from a staple fibre like cotton with that of a filament fibre like silk.

Apply the concept of textile finishing to explain the purpose of sanforisation.

Compare the burning characteristics of a natural protein fibre like silk with a synthetic fibre like nylon.

Analyze why rayon is classified as a manufactured fibre but also as a cellulosic fibre.

Define the term 'spinnability' and name the properties that contribute to it.

Examine the properties of cotton and polyester. Explain why a 'polycot' blend is often used for apparel like school uniforms.

List three distinct purposes of textile finishing and provide one example of a finish for each purpose.

Summarize the properties of polyester that make it a widely used synthetic fibre.

Propose a blended fabric for a school uniform shirt intended for a hot and humid climate. Justify your choice by explaining how the blend addresses the weaknesses of the individual fibres.

Summarize the key properties of wool fibre.

Contrast the properties of a loosely twisted yarn with a tightly twisted yarn and provide an example of a fabric made from each.

Critique the statement: "Rayon is a perfect substitute for silk because both have a similar lustrous appearance."

Explain the difference between dyeing and printing as methods of adding colour to fabric.

Create a scenario explaining why the combing process would be essential for producing a high-quality, fine cotton dress shirt but might be skipped for producing a kitchen duster.

A textile student claims that 'spinning' is the entire process of converting raw fibre into yarn. Critique this claim based on the detailed stages of yarn processing described in the text.

Explain what a 'sliver' is and describe the processes used to create it from laps.

Explain the basic steps involved in converting a raw material into a fibrous form for manufactured fibres.

Describe the two main methods of knitting: weft knitting and warp knitting.

Evaluate the environmental impact of producing cotton versus polyester. Consider the resources used and the long-term effects of each fibre to determine which you believe is more sustainable.

Propose two different types of fabrics, one natural and one manufactured, for making living room curtains. Justify your choices by evaluating their properties such as drape, durability, colour retention, and maintenance.

Analyze the properties of wool and acrylic fibres to explain why acrylic is often used as a substitute for wool in knitted goods and blankets.

A sportswear company wants to create a new line of athletic shirts. Analyze the properties of cotton and polyester to recommend a suitable material, and explain why a knitted structure would be advantageous.

Examine the sequential steps involved in converting raw cotton fibres into a finished, colored fabric ready for sale.

Compare and contrast weft knitting and warp knitting in terms of structure, production, and typical end uses.

A tailor needs to differentiate between a pure linen fabric and a polyester-cotton blend. Demonstrate how a burning test could be applied to solve this problem, analyzing the expected observations for each fabric.

Evaluate the suitability of wool versus acrylic for manufacturing winter blankets for a hospital. Justify your recommendation based on at least three properties discussed in the text.

Design a finishing process for a cotton fabric intended for use as outdoor camping gear. Describe at least three specific finishes you would apply and explain the purpose of each.