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SURVEYING > FINALS > Flashcards

FINALS Flashcards

(85 cards)

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1
Q

lines sa title
concists of lines connecting successive points

A

traverse lines

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2
Q

position of lot corners

A

traverse points

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3
Q

(class of traverse)
originates at a point of known position and terminates at an unknown position

A

open traverse

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4
Q

(class of traverse)
originates at a known position and terminates at a known position

A

closed traverse

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5
Q

projection of a line to a reference meridian
N=
S=

A

latitude
N=+
S=-

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6
Q

projection of a line into a reference parallel
E=
W=

A

departure
E=+
W=-

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7
Q

why do we do boundary checking

A

to verify info that is in the land title

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8
Q

what is the acceptab;e summation of dep and lat

A

> 0.10

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9
Q

a short line of unknown length and direction connecting the first and final traverse points

A

lineart error of closure of lec

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10
Q

the ratio of the linear error of closure to the total perimeter of the lot

A

relative error closure or rec

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11
Q

area is taken as its projection upon a horizontal plane

A

plane surveying

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12
Q

are is taken as its projection ipon the earths spheroidal surface

A

geodetic surveying

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13
Q

the shortest distance from the midpoint a line to the reference meridian

A

meridian distance

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14
Q

meridian distance of a line multiplied by 2

A

double meridian distance or dmd

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15
Q

what rule will u use if you assume that the lines are connected w straight lines

A

trapezoidal rule

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16
Q

what rule will u use if u assume that the lines are connected by parabolic arcs

A

simpsons 1/3 rule

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17
Q

expressing the position of a point using 2 or more quantities of parameters

A

coordinates

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18
Q

type of coordinates
non unique
uses a tie line

A

local coordinates

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19
Q

type of coordinates
unique
lo\atitude and longitude
assumes that the earth is sphere

A

geographic

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20
Q

type of coordinates
unique
northings and eastings
uses datum

A

projected or grid

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21
Q

a systematic mapping of all or part of a surce of a round body on a plane

A

map projection

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22
Q

4 properties of map projection

A

conformality
equidistance
equivalence
azimuthally

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23
Q

property of map projection
small shapes on earth is preserved

A

conformality

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24
Q

property of map projection
the sizes of spaces is proportional

A

equivalence

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25
property of map projection the distance from a point to another points is preserved
equidistance
26
property of map projection the true direction is preserved
azimuthally
27
the art and science of making maps and charts
cartography
28
a depiction of all or part of earth as a set of symbols
maps
29
t or f thereare ni perfect maps because of _ _ _ _
t area shapes of features distance between points direction
30
give 3 function of map
navigation direction measurement visualization
31
3 map features
points lines polygons
32
map features used as a special symbol
point
33
map features used to represent linear features such as roads, streams
lines
34
map features used to represent features such as lake, parks
polygons
35
3 map elements
direction legend scale
36
map elements the relationship between the distances of points
scale
37
map elements include a north or meridian arrow
direction
38
map elements the 'explanation' list of symbols w corresponding features
legend
39
3 classification of map
based on function based on scale according to subject matte r
40
classification of map based on scale small: medium: large:
small: 1:500 000 or more medium: 1: 50 000 - 1: 500 000 large: 1: 50 000 or less
41
classification of map according to function _ spatial association of selected area
gene4ral maps
42
classification of map according to function _ depicts a partiular type of feature such as ethnic grpups
thematic maps
43
classification of map such as population maps or transportation maps
according to subject matter
44
inside the lot plan plans are drawin in an authorized bl forms w the following dimensions 50 x 38 cm
lot plan dimension
45
inside the lot plan assigned by the lmb that represents specific kinds of survey includes site loc
survey num
46
inside the lot plan an indiv or org that owns the site
claimant
47
inside the lot plan the known geographical coordinate
reference point
48
inside the lot plan line connecting the reference point to the corner 1
tie line
49
there are 2 types on how to write the deescription of the point which are
tabulated (table) graduated (drawn)
50
boundaries adjoining properties are indicated by _
brokwn lines
51
the operation of measuring the vertical distances to determine the differences in elevation
leveling
52
the surface constant potential energy coincide w mean sea level
geoid
53
mathematical surface of reference
reference ellipsoid
54
the distance between the geoid and the point
orthometric height
55
the distance between the point and the reference ellipsoid elevation referred to the reference ellipsoid elevation
ellipsoidal height
56
the arithmetic mean of the elevation of water observed for 19yrs close approximation to the geoid
mean sea level
57
definite point on an object w known elevation and location serves as the reference point for level
benchmark
58
the rod reading taken on a point w known elevation
backsight
59
the distance between the rod and level on a BS
BS distance
60
the rod reading taken on a pointh w unknown elevation
foresight
61
the distance between the level and the rod on a FS
FS distance
62
consists of a backsight rod, foresight rod and leveling instrument
setup
63
unbroken series of set ups positioned between 2 permanent control points
section
64
give 3 significance of leveling operation
proper design and laying out production of topographic maps design sustainability engineering design
65
type of leveling operation that is referenced to the ellipsoid
gnss survey
66
type of leveling operation that uses direct leveling in a line w short intervals
profile leveling
67
type of leveling operation that measures the vertical angles and horizontal slopes
trigonometric leveling
68
measure the vertical distance directly the most precise method
direct leveling
69
4 types of errors in differential leveling and mention 1 example each
natural errors (wind) common mistake or blunders (reading the wrog rod) personal error (lack of sight) instrumental error (defective equipment)
70
other names of topography
topos graphein = place write topographia- description of a place topographos- describibing a place
71
the configuration or shape and roughness of the ground
topography
72
the process of determining the configuration of the terrain including its manmade and natural features
topographic survey
73
contains horizontal distance between features and its elevations above a given datum
topographic map
74
used to quantitively represent a ground terrain or surface on a 2d sheet a line used to join points of equal elevation commonly brown or black and blue fir sea levels
contour lines
75
depth curves used to portray ground underwater
subaqueous contour
76
cross mark labeled w elevation to indicate an important and critical point such as mountain peak
spot contour
77
type of contour the 5th coontour usually have space to put an elevation or contour number
index contour
78
type of contour 4 lighter contour between the index contour
intermediate contour
79
type of contour placed on the ground that is so flat
supplemental
80
type of contour shows low spots such as downhill or excavations
depression
81
type of contour line that is not accurate a educated guess of the cartographer because it can not be surveyed due to reasons such as inaccesible site
approximate
82
5 types of contours
approximate depression index supplementary intermediate
83
the difference between 2 adjoining contours
contour interval
84
the cross sectional view
topographic profile
85
t or f the area enclosed in a contour can be determined using a _ and can also be manually determined by dividing it into small square
f = triangles planimeter

SURVEYING (4 decks)

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