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MER 330 Exam 1 Review Questions Solved 100% Correc
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MER 330 Exam 1 Review Questions Solved 100% Correc
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MER 330 Exam 1 Review Questions Solved100% Correct
what is the difference between hydrophobic fibers and hydrophilic fibers - ✔✔hyrdophobic-
fibers have no absorbency (polyester, acrylic, olefin)
hydrophilic- fibers absorb moisture readily (cotton, flax, rayon)
when will the burning test for fiber identification be useful? what is one distinctive reaction
that will support the identification of protein fibers? - ✔✔
explain how generic names are defined - ✔✔
what is one distinctive reaction that will support the identification of a cellulosic fiber? to
visually distinguish between cotton and rayon or lyocell, what features should be considered? -
✔✔
explain the influence of polymer chain orientation on fiber strength. how can the level or
orientation be increased? - ✔✔
select a natural fiber for each end use. use properties to explain why that fiber is a good choice.
a. sheets for double bed in master bedroom - ✔✔
select a natural fiber for each end use. use properties to explain why that fiber is a good choice.
b. evening gown for formal occasion - ✔✔silk
strong
absorbent
comfy
moderate appearance retenetion
, select a natural fiber for each end use. use properties to explain why that fiber is a good choice.
c. suit for a job interview - ✔✔wool
appearance retention, durability, aesthetics
select a natural fiber for each end use. use properties to explain why that fiber is a good choice.
d. socks for an active 4-year old - ✔✔olefin
strong, abrasion resistant, low cost, easy clean
select a natural fiber for each end use. use properties to explain why that fiber is a good choice.
e. hiking shorts, garden, or lawn work - ✔✔
select a natural fiber for each end use. use properties to explain why that fiber is a good choice.
f. blanket - ✔✔cashmere
soft, good heat retention
select a natural fiber for each end use. use properties to explain why that fiber is a good choice.
g. upholstery from a dining room chair - ✔✔polyester
durable, abrasion resistant, poor absorption
describe the differences among filament silk, spun or staple silk, and dupioni silk and explain
how these differences would matter to producers and consumers - ✔✔
create two lists of common properties: one for all plant fibers and the other for all animal
fibers. what properties are common to both groups? - ✔✔
identify four characteristics and two end used of:
a. cotton - ✔✔
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