Utah Sewing State Assessment Practice Test

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Question: 1 / 20

What role do seam allowances play in finishing techniques like serging?

They reduce fabric width.

They create a nicer visual finish.

They prevent fabric fraying.

Serging is a finishing technique that helps to prevent fabric fraying by enclosing the raw edges of the fabric within a thread, creating a clean and durable edge. Seam allowances are the extra fabric that extends beyond the seam line, providing the necessary material for this process to occur effectively. By having adequate seam allowances, serging can secure the edges of the fabric, which diminishes the risk of fraying during washing and wearing.

When using serging, if there were not enough seam allowance, it could compromise the integrity of the finish, leading to fraying and potential unraveling of the fabric over time. Therefore, the role of seam allowances in this context is vital for maintaining the longevity and aesthetic quality of the finished garment by preventing fraying.

They determine seam strength.

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