Fiber Terminology and Properties

Which of the following is NOT a characteristic of fiber crimp?

• Increases cohesiveness

• Reduces luster

• Increases bulk

• Makes fabric smoother

Fill in the blank: Fibers based on synthetic organic compounds called esters or synthetic polyester fibers tend to be ______, lightweight, resistant to wrinkling, resistant to most chemicals, and melt when exposed to flames or high heat.

• strong

• weak

• fragile

• brittle

What is abrasion resistance in textiles?

• The ability of a textile to withstand wear and tear from rubbing.

• The capacity of a textile to absorb moisture.

• The resistance of a textile to color fading.

• The ability of a textile to stretch without breaking.

Elongation in fibers refers to the ability of a fiber to _______.

• stretch without breaking

• absorb moisture

• resist heat

• conduct electricity

What is the ability of a fiber to transfer moisture along its surface called?

• Moisture wicking

• Absorbency

• Waterproofing

• Breathability

What is the ability of a fabric to retain its original dimensions throughout care?

• Shrinkage resistance

• Elastic recovery

• Creep

• Moth resistance

Which compounds yield hydrogen ions to alkalis in chemical reactions?

• Acids

• Bases

• Salts

• Metals

The purpose of the burn test in fiber identification is to:

• determine the fiber content by observing the burning characteristics

• measure the tensile strength of the fiber

• assess the colorfastness of the fiber

• evaluate the moisture absorption of the fiber