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Intro to Land Surveying > Final Exam > Flashcards

Flashcards in Final Exam Deck (76):
1

1 rod=1 pole=1 perch=_____ft

16.5

2

1 mile=_____ft

5280

3

1 acre=_____(with chains)

10ch^2(10(66x66))

4

1 acre=____m^2

4046.9

5

1 acre=____ft^2

43,560

6

1 mile=_____chains

80

7

1 chain=____ft

66

8

Azimuths are always measured in a _____ direction.

Clockwise

9

A bearing can not be greater than ____ degrees.

90

10

There are ____ minutes in a degree.

60

11

The close agreement or consistency of a group of measurements is _____.

Precision

12

The most often or commonly occurring measurement in a group is called the ____.

Mode

13

How many square chains are in a 1 acre tract?

10

14

1 Square Mile =______acres

640

15

1 acre tract=______ square perches

160

16

A measured value that is as close to the true or theoretical value as possible is _____.

Accurate

17

Setting the instrument over the wrong station is a ______.

Mistake

18

A series of consecutive line's directly measured by angle and distance on the ground is a ______.

Traverse

19

The distance formula

√((N₁-N₂)²+(E₁-E₂)²)

20

Standard Deviation Formula

σ=√(Σv²)/(N-1)

21

First Quadrant Bearing to Azimuth Conversion:

Drop lettersEx. N 27° E27°

22

First Quadrant Azimuth to Bearing Conversion:

Add letters N EEx. 45°N 45° E

23

Second Quadrant Bearing to Azimuth Conversion:

Drop LettersSubtract from 360° (360°-bearing)Ex. N 35° W(360°-35°=325°) 325°

24

Second Quadrant Azimuth to Bearing Conversion:

Subtract from 360° (360°-azimuth)Add letters N WEx. 295°(360°-295°=65°) N 65° W

25

Third Quadrant Bearing to Azimuth Conversion:

Drop lettersAdd to 180° (180°+Bearing)Ex. S 65° W(180°+65°=245°) 245°

26

Third Quadrant Azimuth to Bearing Conversion:

Subtract 180° (azimuth-180°)Add the letters S WEx. 260°(260°-180°=80°) S 80° W

27

Fourth Quadrant Bearing to Azimuth Conversion:

Drop LettersSubtract from 180° (180°-bearing)Ex. S 25° E(180°-25°=155°) 155°

28

Fourth Quadrant Azimuth to Bearing Conversion:

Subtract from 180° (180°-azimuth)Add letters S EEx. 110°(180°-110°=70°) S 70° E

29

The abbreviation MSL stands for _________.

Mean Sea Level

30

A monument (e.g. brass disk) of known elevation is a _______. 

Bench Mark

31

The process of determining elevations or differences in elevations is called ________.

Leveling

32

The wooden, calibrated (numbered) rod that is sighted is called a _________ rod.

Philadelphia

33

When turning tribrach screws, the rule is that the level bubble follows the instrument operator's ___________.

Left thumb

34

The abbreviation EDM stands for ___________.

Electronic Distance Measurement

35

A normal section of land in a PLSS state contains ________.

640 acres

36

Surveys that determine the location and elevation of natural and artificial features are _______ surveys.

Topographic

37

The compass' tendency to point to the magnetic pole in Canada rather than the true north pole produces a horizontal angle between the two meridians which is called _______.

Magnetic Declination

38

On a USGS topographic map, astronomic and magnetic north are shown in relation to the map orientation which is ________ north.

Grid

39

The abbreviation LEC stands for _______.

Linear Error of Closure

40

To find the azimuth of a line you use this formula:

tan-1θ=departure/latitude

41

The large books that were shown in class are called:

Tax Maps and/or Land Books/Indexes

42

A permanent object that marks a property corner, e.g. an iron pipe or a large tree is called:

Monument

43

A right given by grant, agreement, or deed which allows a person to use the land or another for a specific purpose such as a road or utility line, is an

Easement

44

Boundary Monuments are of two main types. They are

Natural and Artificial

45

The Doctrine of Adverse Possession is based on 

The Statute of Limitations

46

A marked tree or object near a corner monument is called a 

Reference

47

A characteristic of a good Point of Beginning

Its identity is clear and certain in the field.

48

The name of the first century mathematician in Alexandria, Egypt, whose formula we use to find the area of a triangle is _______.

Herron

49

Herron's Formula

s=(a+b+c)/2Area=√s(s-a)(s-b)(s-c)

50

In GPS work, the term PDOP stands for ______.

Positional Dilution of Precision

51

The person named in a deed that buys the parcel of land is called the _____.

Grantee

52

The person named in a deed that sells the parcel of land is called the ___.

Grantor

53

NGS stands for ___.

National Geodetic Survey

54

OPUS stands for ___.

Online Positioning User Service

55

The 15° angle from the horizon below which satellites are ignored by the receiver is the _____ angle.

Mask

56

The mask angle is _____ degrees.

15

57

The bouncing of signals that, when satellites were used for television, resulted in 'ghosting,' is called ____.

Multipath

58

The United States uses a satellite system called ___.

GPS

59

GPS stands for ___.

Global Positioning System

60

There are ___ (number) operational satellites in the US constellation at any time.

24

61

The US satellites travel in an orbit with an average altitude of ____.

20,200 km

62

Russia uses a satellite system called ___.

GLONASS

63

GLONASS stands for ___.

Global Navigation Satellite System

64

There are ___ (number) operational satellites in the Russian constellation at any time.

24

65

The Russian Satellites travel in an orbit with an average altitude of ___.

19,100 km

66

The European Union uses a satellite system called ___,

Galileo

67

There are ___ (number) operational satellites in the European Union's constellation at any time.

27

68

The European Union's satellites travel in an orbit with an average altitude of ___.

23,222 km

69

The name of the Chinese satellite system translates into English as ___.

Compass

70

There are ___ (number) operational satellites in the Chinese constellation at any time.

35

71

The Chinese satellites travel in an orbit with an average altitude of ___.

20,000 km

72

Instrument that allows someone to view a two-dimensional aerial photograph in 3D.

Stereoscope

73

How are Grantee/Grantor Indexes arranged?

Alphabetically by last name, and then chronologically. Common last names to the area may have their own page(s).

74

With GIS, when data is depicted in the ___ format, a combination of points, lines, strings, and interior areas is used.

Vector

75

With GIS, when data is depicted in the ___ format, a combination of pixels and grid cells is used.

Raster

76

In the raster format, the size of the individual cells defines the ___, or precision.

Resolution