Fiber Test Questions and Answers 100% Pass

Fiber Test Questions and Answers 100% Pass Crosswise thread/yarn which wrap around the lengthwise thread/yarn - Weft Lengthwise thread/yarn that run vertical - Warp Determines the shape of synthetic fibers -changing the size and shape of these alters the quality of the fiber - Spinneret Tape Forceps Vacuum Lint roller - Collection methods 2 100% Pass Guarantee Katelyn Whitman, All Rights Microscopy, Light Analysis, Chromatology - Tests that don't damage the fiber: Type (composition, rarity, location in crime scene) Color (composition of dye) Number of Fibers (more found=more violent crime) Origination of Fiber (car, carpet, clothes, etc.) - Four things you look at when evaluating fiber evidence Animal, Plant, and Mineral - types of natural fibers Hair, webbing, fur - Types of animal fibers: What fibers that are too short in their natural state are spun into -any given yarn has a direction of twist, which forensic scientists analyze - Yarn A very thin type of yarn - Thread Number of weft and warp threads in a square inch - Thread count - Twill Weave 3 100% Pass Guarantee Katelyn Whitman, All Rights - Tabby Weave - Satin Weave -Most popular type of animal fiber -very loosely spun for comfort-- leaves a lot of trace evidence -Most common fiber=wool from sheep -ex: wool, cashmere from goats - Hair (type of animal fiber) Most common type of animal fiber (hair); from sheep BURN: --shrivels up, turns brownish-orange, curls away