MDSE 2650 TEXTILES EXAM 2 QUESTIONS WITH
VERIFIED ACCURATE ANSWERS
In appearance, what is the difference between cultivated and wild silk? - Answers - Wild
silk is an uneven and staple fiber.
Wild silk is the result of any other species of moth which eat cherry and oak leaves.
Which properties of coir make it suitable for entry mats? - Answers - Good resistance to
abrasion and weather
Regarding resiliency and elastic recovery, wool is ___________ silk. - Answers - Better
than
What common household chemical should never be used on wool and silk because it
dissolves the fibers? - Answers - Chlorine bleach
Besides the apparel category, silk is also very useful in which of the following
industries? - Answers - Medicine
How many silkworms are required to produce a pound of useable silk from cocoons? -
Answers - 2500
All of the statements below are true about silk noil, but what is visually distinctive about
silk noil fabric? - Answers - It has many neps creating a varied-color surface.
When silk has been treated with metal salts such as tin salts to improve the weight of
the silk, it causes the silk to degrade quickly, wear poorly and become brittle with a
particular look. What is the practice called and what is the term for what happens to the
silk? - Answers - Weighting or weighted silk, shattered or tendered silk
What kind of silk do bombyx mori silkworms produce? - Answers - Cultivated silk
What is done to the silk to remove the sericin and when is it done usually? - Answers -
Degumming: Boiled off the sericin in water, not until it is a yarn or fabric
In 2-3 days, the silkworm will spin approximately _____________ of filament fiber. -
Answers - 1 mile
The process of spinning silk yarns is called: - Answers - Throwing
If twist is added to the filaments, it's called _________, and if it's called a ________
yarn. - Answers - Throwing, thrown
, Silk inspired the entire invention and development of which fiber class? - Answers -
Manufactured
The sticky protein substance that coats the filaments as they are extruded from the
silkworm's spinnerets is called what? - Answers - Sericin
When two silkworms spin together to create an irregular, thick and thin yarn shape is
called? - Answers - Duppinoi
Which one of the following methods of identifying a fiber would definitively identify
cotton? - Answers - Microscopy, the convolutions
The high absorbency of cotton contributes to which of the following properties? -
Answers - Good comfort characteristics
Good dye-ability
Propensity to be damaged by mildew
Cotton, coir, kapok and milkweed are all what kind of cellulosic fibers? - Answers - Seed
Which state is the top producer of cotton in the US? - Answers - Texas
What are the properties of kapok floss which allow it be used for flotation devices but
not for apparel? - Answers - It is moisture-resistant, quick-drying, and floats; it is too
brittle for spinning
What property makes cotton so easy to handle during wet processing? - Answers - It's
absorbent
Which term below refers to the shorter fibers, carded only, of wool? - Answers - Woolen
By what method can the animal of the wool be identified? - Answers - Mass
spectrometry
Which fiber property is common to all protein fibers? - Answers - Resiliency
Refer to you SRG: Based on appearance only, which one is the best example of a
greige good? - Answers - #12
What is the primary reason we love camel wool? - Answers - Excellent insulation and
light weight
The controlled shrinkage of wool is known as: - Answers - Fulling
Natural protein fibers come from which of the following? - Answers - Animals
VERIFIED ACCURATE ANSWERS
In appearance, what is the difference between cultivated and wild silk? - Answers - Wild
silk is an uneven and staple fiber.
Wild silk is the result of any other species of moth which eat cherry and oak leaves.
Which properties of coir make it suitable for entry mats? - Answers - Good resistance to
abrasion and weather
Regarding resiliency and elastic recovery, wool is ___________ silk. - Answers - Better
than
What common household chemical should never be used on wool and silk because it
dissolves the fibers? - Answers - Chlorine bleach
Besides the apparel category, silk is also very useful in which of the following
industries? - Answers - Medicine
How many silkworms are required to produce a pound of useable silk from cocoons? -
Answers - 2500
All of the statements below are true about silk noil, but what is visually distinctive about
silk noil fabric? - Answers - It has many neps creating a varied-color surface.
When silk has been treated with metal salts such as tin salts to improve the weight of
the silk, it causes the silk to degrade quickly, wear poorly and become brittle with a
particular look. What is the practice called and what is the term for what happens to the
silk? - Answers - Weighting or weighted silk, shattered or tendered silk
What kind of silk do bombyx mori silkworms produce? - Answers - Cultivated silk
What is done to the silk to remove the sericin and when is it done usually? - Answers -
Degumming: Boiled off the sericin in water, not until it is a yarn or fabric
In 2-3 days, the silkworm will spin approximately _____________ of filament fiber. -
Answers - 1 mile
The process of spinning silk yarns is called: - Answers - Throwing
If twist is added to the filaments, it's called _________, and if it's called a ________
yarn. - Answers - Throwing, thrown
, Silk inspired the entire invention and development of which fiber class? - Answers -
Manufactured
The sticky protein substance that coats the filaments as they are extruded from the
silkworm's spinnerets is called what? - Answers - Sericin
When two silkworms spin together to create an irregular, thick and thin yarn shape is
called? - Answers - Duppinoi
Which one of the following methods of identifying a fiber would definitively identify
cotton? - Answers - Microscopy, the convolutions
The high absorbency of cotton contributes to which of the following properties? -
Answers - Good comfort characteristics
Good dye-ability
Propensity to be damaged by mildew
Cotton, coir, kapok and milkweed are all what kind of cellulosic fibers? - Answers - Seed
Which state is the top producer of cotton in the US? - Answers - Texas
What are the properties of kapok floss which allow it be used for flotation devices but
not for apparel? - Answers - It is moisture-resistant, quick-drying, and floats; it is too
brittle for spinning
What property makes cotton so easy to handle during wet processing? - Answers - It's
absorbent
Which term below refers to the shorter fibers, carded only, of wool? - Answers - Woolen
By what method can the animal of the wool be identified? - Answers - Mass
spectrometry
Which fiber property is common to all protein fibers? - Answers - Resiliency
Refer to you SRG: Based on appearance only, which one is the best example of a
greige good? - Answers - #12
What is the primary reason we love camel wool? - Answers - Excellent insulation and
light weight
The controlled shrinkage of wool is known as: - Answers - Fulling
Natural protein fibers come from which of the following? - Answers - Animals
