fibre identification methods

What is the primary purpose of testing of fibers in textiles?

• • A) To determine the color of the fabric

• • B) To assess the quality and type of fiber

• • C) To measure the fabric's weight

• • D) To evaluate the fabric's durability

Which of the following fibers is known for its unique scale structure that can be observed under a microscope?

• • a) Cotton

• • B) Wool

• • C) Polyester

• • D) Nylon

When observing synthetic fibers under a microscope, what characteristic is often noted?

• • A) Natural crimp

• • B) Smooth and uniform appearance

• • C) Presence of scales

• • D) Varied thickness

Which fiber is typically identified by a twisted ribbon when viewed under the microscope

• • A) Silk

• • B) Rayon

• • C) Acrylic

• D) Cotton

Which fiber looks bamboo when viewed under the microscope

• • A) Silk

• • B) linen

• • C) Acrylic

• D) Cotton

Which of the following fibers is likely to smell like burning hair when burned?

• • A) Cotton

• • B) Wool

• • C) Polyester

• • D) Nylon

If a fiber melts and produces a chemical smell when burned, what type of fiber is it likely to be?

• • A) Natural fiber

• • C) Cellulosic fiber

• • D) Protein fiber

• • B) Synthetic fiber

1. What type of residue is typically left behind after burning a synthetic fiber?

• • B) Hard and plastic bead

• • C) No residue

• • D) Soft and feathery ash

• • A) Soft and fine ash

1. Which of the following fibers will likely continue to burn after being removed from the flame?

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• • A) Silk

• • B) Wool

• • C) Acrylic

• • D) Cotton

During a burn test, if a fabric smells like burning hair, what does this indicate?

• • A) The fabric is 100% cotton

• • B) The fabric is a cotton/polyester blend

• • C) The fabric is made of wool

• • D) The fabric is made of silk