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19 Cards in this Set
- Front
- Back
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The performance guideline in ASTM D3691 states that fabrics should not change more than _______ in their lengthwise and crosswise dimensions after being laundered five times or dry cleaned three times.
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3 percent
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Bursting strength is measured for all of the following fabrics except:
a. woven b. knitted c. knotted d. twisted |
b. knitted
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Lightfastness of interior fabrics is determined using the:
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Gray Scale for Color Change
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Which of the following is most commonly used to closely simulate natural light:
a. Weather-Ometer b. carbon-arc lamp c. xenon-arc lamp |
c. xenon-arc lamp
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breaking force
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Inidcates the load required to rupture a fiber, yarn or fabric.
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burnt gas fumes
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Such atmospheric gases as nitrogen dioxide and sulfur dioxide
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bursting strength
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Force required to rupture a knitted fabric.
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dimensional stability
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Ability of a textile structure to maintain its size and shape after use and care.
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distortion of yarn
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Yarn shifting, slipping, or sliding over others, producing areas having different levels of transparency.
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durable press resins
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Chemical treatment used to imp;rove the resiliencey of fabrics composed of cellulose fibers.
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fading
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Loss of or weakening of the original color characteristics.
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heat setting
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Use of heat to stabilize thermoplastic fibers, improving their dimensional stability and that of yarns and fabrics composed of them; also improves resiliency.
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migration
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Movement of dye through fabrfic; results in varied levels of intensity.
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preventive maintenance
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Protective cleaning procedures intended to capture soil and grit in track off, funnel, and cocnentrated traffic areas.
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restorative maintenance
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Maintenance involving overall or wall-to-wall cleaning
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routine maintenance
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Practices such as regular vacuuming to remove accumulated dust.
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shift mark
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Distorted yarn group.
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tear strength
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Used to predict the likelihood that a small cut or puncture would become a large tear with continued use.
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washfastness
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Resistance of colored textiles to fading, bleeding, migration, and/or color change when laundered.
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