AMS 262 Unit 3 – Study Guide, Practice Questions & Revision Notes
What is a fiber? - correct answer ✔✔A single Length of material
What is a filament? - correct answer ✔✔A continuous length of fiber
What is a strand? - correct answer ✔✔A number of fibers
What is a roving? - correct answer ✔✔Untwisted strands
What is yarn? - correct answer ✔✔Twisted strands
What is Warp? - correct answer ✔✔The length-wise direction of the piece of fabric
What is Fill? - correct answer ✔✔The width-wise direction of a piece of fabric
What is Bias? - correct answer ✔✔A diagonal direction of the fibers, usually 45 degrees to the
warp and fill
What is a selvage edge? - correct answer ✔✔A machined edge running along he warp
What are tracers? - correct answer ✔✔Threads woven into fabric to identify the warp and fill
directions
What is the weight? - correct answer ✔✔Ounces per square yard
What is the count? - correct answer ✔✔Threads per inch
, What are the two types of fiber forms? - correct answer ✔✔Roving and Yarn
What is tape? - correct answer ✔✔A narrow width of fibric
What is stronger, Rovings or Yarns? - correct answer ✔✔Rovings; They are straight fibers
What is unidirectional fabric? - correct answer ✔✔A layer of material where the fibers are all
oriented in the same direction
What are the two types of bidirectional fabric? - correct answer ✔✔Non-woven and woven
What are the three categories of woven fabric? - correct answer ✔✔Plain weave, harness satin
weave and twill weave
What is a plain weave? - correct answer ✔✔One over/ one under pattern (_.-._.-._)
What is a harness satin weave? - correct answer ✔✔One fibers over a number of fibers; 4HS = 1
over and under 3 (_.-...-._..._.-)
What is another name for a 4HS? - correct answer ✔✔Crowfoot satin weave
What is a twill weave? - correct answer ✔✔involves a repeating pattern similar to a plain
weave; Two twill = Two over/ Two Under (_..-.._..-)
What are the types of mats? - correct answer ✔✔Chap mat, Continuous Mat and Surfacing mat
What is a fiber? - correct answer ✔✔A single Length of material
What is a filament? - correct answer ✔✔A continuous length of fiber
What is a strand? - correct answer ✔✔A number of fibers
What is a roving? - correct answer ✔✔Untwisted strands
What is yarn? - correct answer ✔✔Twisted strands
What is Warp? - correct answer ✔✔The length-wise direction of the piece of fabric
What is Fill? - correct answer ✔✔The width-wise direction of a piece of fabric
What is Bias? - correct answer ✔✔A diagonal direction of the fibers, usually 45 degrees to the
warp and fill
What is a selvage edge? - correct answer ✔✔A machined edge running along he warp
What are tracers? - correct answer ✔✔Threads woven into fabric to identify the warp and fill
directions
What is the weight? - correct answer ✔✔Ounces per square yard
What is the count? - correct answer ✔✔Threads per inch
, What are the two types of fiber forms? - correct answer ✔✔Roving and Yarn
What is tape? - correct answer ✔✔A narrow width of fibric
What is stronger, Rovings or Yarns? - correct answer ✔✔Rovings; They are straight fibers
What is unidirectional fabric? - correct answer ✔✔A layer of material where the fibers are all
oriented in the same direction
What are the two types of bidirectional fabric? - correct answer ✔✔Non-woven and woven
What are the three categories of woven fabric? - correct answer ✔✔Plain weave, harness satin
weave and twill weave
What is a plain weave? - correct answer ✔✔One over/ one under pattern (_.-._.-._)
What is a harness satin weave? - correct answer ✔✔One fibers over a number of fibers; 4HS = 1
over and under 3 (_.-...-._..._.-)
What is another name for a 4HS? - correct answer ✔✔Crowfoot satin weave
What is a twill weave? - correct answer ✔✔involves a repeating pattern similar to a plain
weave; Two twill = Two over/ Two Under (_..-.._..-)
What are the types of mats? - correct answer ✔✔Chap mat, Continuous Mat and Surfacing mat
