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Global Positioning System Quiz Number: 27 Course Name: Industrial Technology/Engineering Quiz N0. = 27 Teacher: Ed Schmidt Teacher's Home Page: http://www.oocities.org/Baja/2140/ENG.htm Teacher's Email: schmidte@putnam.k12.il.us

Student Name: Student No:

No. of Questions= 16 ,Pass mark is - 70 %. You can press the Mark it button at the bottom of the page to have the quiz marked.

1.	Which of these areas might you find a GPS unit:
	a)	cars
	b)	boats
	c)	planes
	d)	farm machinery
	e)	all of these
2.	Currently there are how many satellites used in the GPS system:
	a)	24
	b)	34
	c)	44
	d)	54
	e)	64
3.	The basis of GPS is _____ from satellites:
	a)	quadrangulation
	b)	dual positioning
	c)	triangulation
	d)	dual triangulation
4.	The GPS uses _______ signals:
	a)	microwave
	b)	electrical
	c)	cable
	d)	radio
	e)	magnetic
5.	Position is calculated from distance measurments to satellites:
	a)	true
	b)	false
6.	Distance = velocity X time
	a)	true
	b)	false
7.	The speed of light is______miles per second:
	a)	1000
	b)	86
	c)	186,000
	d)	1,860,000
	e)	7000
8.	PRC stands for:
	a)	pilot radio code
	b)	pseudo random code
	c)	position random call
9.	Distance to a satellite is determined by measuring how long a radio signal takes to reach us from that satellite:
	a)	true
	b)	false
10.	Most satellites have timex clocks onboard:
	a)	true
	b)	false
11.	Some clocks cost upwards of $100,000 that are used in satellites:
	a)	true
	b)	false
12.	Satellites are how many miles from earth:
	a)	1000
	b)	1100
	c)	11,000
	d)	1,100,000
	e)	1111
13.	Who monitors the GPS satellites:
	a)	Department of the Interior
	b)	EPA
	c)	US Army
	d)	Department of Defense
	e)	US Navy
14.	Radar is used to keep track of a staellites speed and position:
	a)	true
	b)	false
15.	The moon, sun or solar radiation have no effect of satellites:
	a)	true
	b)	false
16.	The earths ionosphere and atomsphere cause delays in the GPS signal :
	a)	true
	b)	false

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