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Composites Quiz Number: 15 Course Name: Industrial Technology/Enginerring Quiz N0. = 15 Teacher: E. Schmidt Teacher's Home Page: http://www.oocities.org/Baja/2140/ENG.htm Teacher's Email: schmidte@putnam.k12.il.us

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No. of Questions= 15 ,Pass mark is - 70 %. You can press the Mark it button at the bottom of the page to have the quiz marked.

1.	A composite is a material system made of ___ or more material components:
	a)	3
	b)	8
	c)	1
	d)	2
	e)	9
2.	A glass fiber composite is made up of glass fibers and:
	a)	insultation
	b)	kevlar
	c)	plastic resin
	d)	super glue
	e)	sodium chloride
3.	In composites, the higher the amount of ______ content the greater the strength:
	a)	reinforcement
	b)	glass
	c)	hydrogen
	d)	kevlar
4.	When glass fibers are combined with other fibers, this is called a:
	a)	combination
	b)	hybrid
	c)	alloy
	d)	binder
5.	Polymers fall into two groups, on of them is:
	a)	thermoregulating plastics
	b)	thermosetting plastics
	c)	thermocombining plastics
	d)	thermoepoxy plastic
6.	Polymers fall into two groups, on of them is:
	a)	Hydroplastics
	b)	polyplastics
	c)	thermoplastics
	d)	polyplastics
7.	Which of these is not an example of a thermoset resin:
	a)	kevlar
	b)	unsaturated polyester
	c)	vinylester
	d)	epoxy
	e)	urethane
8.	Thermoplastic is comparable to ______ because it flows when heated:
	a)	oil
	b)	butter
	c)	crisco
	d)	lard
	e)	wax
9.	Which of these is not a type of thermoplastic resin:
	a)	poly-tri-resinator
	b)	ABS
	c)	nylon
	d)	polyester
10.	Fillers and additives to composites add:
	a)	performance parameters
	b)	weight
	c)	volume
	d)	stress
11.	A molding or _____process gives shape to a finished product:
	a)	drying
	b)	fabrication
	c)	heating
	d)	pressurization
12.	Go to the glossary section and find the definition to what ABS stands for:
	a)	Asbestos Baked Styrene
	b)	Air Blasted Styrofoam
	c)	Acrylic Bi-sitride
	d)	Acrylonitrile Butadiene Styrene
13.	Using the glossary, what is a fiber:
	a)	a single glass filament
	b)	a strand of thread
	c)	a metal wire
	d)	a composite string
14.	Using the glossary, what is a ribbon:
	a)	a thin composite strip
	b)	glass bundles to "stick" together
	c)	resin applied by brush
	d)	kevlar covered in fiber glass
15.	Using the glossary, what does thixotropic mean:
	a)	freezing
	b)	becoming a gel at rest
	c)	becoming a gel in motion
	d)	melting
	e)	separating

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