問題一覧
1
On optical levels, stadia lines are used to ?
measure distance
2
What must you adjust on a tilting level before each shot?
split bubble
3
What two types of light do lasers emit?
infared and visible
4
LazarBeam can be split at 90° with the use of ?
prisms
5
Theodolites are more capable of what, then transits?
greater accuracy
6
The greatest advantage of the total station is ?
data collection
7
An elevation referenced to sea level is known as the ?
geodetic
8
A shot to a point of known elevation is called ?
backsight
9
Another term for height of instrument is
line of sight
10
when setting a transit over a point either a plumbob or a what is used ?
optical plummet
11
Level which compensates for as much as 12° off level
automatic level
12
The abbreviation TP refers to
turning point
13
On transits, angles are read on a?
vernier
14
Tilting level is also referred to as ?
engineers level
15
The vertical scale on a transit is used to ?
measure grade in degrees
16
A point previously surveyed and permanently marked by the government is called ?
datum point
17
When establishing a benchmark, it is important to ensure ?
The point will not have any movement
18
When plumbing a column with the transit, how many set ups are required?
2
19
Two advantages of a laser level are ?
One person can work with it, and a constant line of reference
20
To estimate distance using stadia multiply the difference in stadia readings by ?
100
21
Apart from levelling operations, lasers can also be used to ?
measure distance
22
What is plunging?
Rotating the scope, 180° within the head of a transit
23
What is a foresight?
Taking a shot with a level to a point of unknown elevation
24
What runs in the north south direction?
meridians
25
Ranges are how many miles in width ?
6
26
The Township number adjacent to the US border is ?
number 1
27
How many acres are in a section ?
640
28
How many sections are in a township?
36
29
A principal meridian is described as ?
A true north-south line
30
What type of map is produced by the municipalities and indicates how land is to be used?
land use district map
31
Who is the only person who can produce a real property report?
A registered Alberta land surveyor
32
For stability when placing a tripod on a hill ?
Two legs should be placed on the downhill side
33
Inverted rod reading, is derived by ?
Subtracting the desired elevation from the height of instrument
34
what is a control point ?
Is a point of known elevation, and distance from the building
35
What does a cut indicate ?
That the final elevation is lower than the existing grade
36
When setting up a transit over the point, the point is viewed through the ?
Optical plummet
37
To Turn an angle with a transit you must loosen the
Upper horizontal clamp
38
How big is a quarter section ?
Half a mile by half a mile
39
a legal plan is registered with who? once it’s finalized
land titles
40
How is the legal description of a property identified?
Lot block plan, and municipality
41
Where does the fifth meridian pass through
stony plain
42
How can you sharpen the crosshairs of any instrument?
rotate eye piece
43
To account for curvature of the Earth on a site plan what type of lines can you draw?
correction lines
44
when, turning an angle with a theodolite the angle is given in what ?
Degrees minutes and seconds
45
Another term for legal plan
linen
46
What is the imaginary line between two control points called?
Baseline
47
What is the primary role for transits in construction?
Establish horizontal lines and angles
48
What can be used to Plum foundation walls or columns?
A theodilite
49
On a tilting level, the fine adjustment is?
Constantly used to avoid substantial errors