Fiber Test Questions and Correct Answers/ Latest Update / Already Graded

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Fiber Test Questions and Correct
Answers/ Latest Update / Already
Graded
Crosswise thread/yarn which wrap around the lengthwise

thread/yarn


Ans: Weft




Lengthwise thread/yarn that run vertical


Ans: Warp




Determines the shape of synthetic fibers


-changing the size and shape of these alters the quality of the fiber


Ans: Spinneret




Tape


Forceps

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Vacuum


Lint roller


Ans: Collection methods




Microscopy, Light Analysis, Chromatology


Ans: 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.)


Ans: Four things you look at when evaluating fiber evidence




Animal, Plant, and Mineral


Ans: types of natural fibers

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Hair, webbing, fur


Ans: 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


Ans: Yarn




A very thin type of yarn


Ans: Thread




Number of weft and warp threads in a square inch


Ans: Thread count