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


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)



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, 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


- ✔✔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




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