Survey Test 1 Flashcards

1
Q

When a field engineer uses an angle turning instrument it is necessary to locate the instrument exactly over a point. The device located on a total station which helps us set up over a point called?

A

Optical Plummett

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2
Q

The sum of the interior angles for a rectangle is

A

360 degrees

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3
Q

Understanding accuracy and precision is an important concept for a field engineer. Closeness of measurements is called _____ while attaining the true value is called ______.

A

Precision, Accuracy

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4
Q

Data Collectors enhance the operation of a total station but usage does have a few disadvantages. Which alternative from the following list poses a definite disadvantage?

A

Battery Dependnece

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5
Q

Precise topographic elevations on a jobsite are determined by using which instrument from the following list.

A

Total Station

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6
Q

Leveling field practices require good procedure to effectively remove errors and mistakes. From the following list which choice is a standard procedure to perform during the leveling process?

A

Balance back sights and foresights

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7
Q

Which of the following variables, from an ethical perspective is an attribute a construction surveyor should keep in consideration when preparing to work on a specific construction site?

A

Site is a natural resource.

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8
Q

The following term 22d 22’ 23” is best described by which?

A

Azmuith

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9
Q

Which of the following normally provides most of the survey control info on a jobsite?

A

Wooden Stakes

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10
Q

Three measurable values which determine the position of one point to another?

A

Direction,distance, elevation

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11
Q

Field engineers must be aware of many important concepts in the peformance of feild applications. When performing a series of measurements (angels,elevations,distances,) if all shots were very close this series of shots could be considered to have a high degree of?

A

Precision

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12
Q

Record keeping is an important part of surveying. Which of the following is considered to be a legal document?

A

Engineers field book

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13
Q

Working control points Fall 2014 can be distinguished by which color stake?

A

Pink

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14
Q

When leveling the optical plummet device which vial is used for fine “final” leveling?

A

Plate vial

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15
Q

When recording data in the field book certain guidelines should be followed. Which of the following is not a guide line?

A

Erasures are permitted

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16
Q

Reading on a rod held on a point whose elevation is known

A

Backsight

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17
Q

Elevation of the “LOS” of the instrument

A

Height of instrument

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18
Q

Reading on a rod held on a point whose elevation is Unknown

A

Foresight

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19
Q

Point used in the differential leveling process to temporarily transfer the elevation from the HI

A

Turning Point

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20
Q

End a Level Loop at a Known Benchmark (Either starting BM or another BM)

A

Closed Loop

21
Q

Benchmark + Backsight=

(BM) + BS =

A

Height of instrument

(HI)

22
Q

Height of Instrument - Foresight =

(HI) - (FS)=

A
Turning point
   (TP)
23
Q

Adjust focus to eliminate the ________

24
Q

Closing the horizon with an angle turning instrument is best described by which statement.

A

Sum of angels turned equal to 360 degrees when turning back to original Backsight

25
The major difference between transits, optical theodolites, and digital theodolites is
Method of reading angles
26
Graduated rod used in leveling constructed of wood, fiberglass, or metal is called
Level Rod
27
3 Components of a Total Station
1. Digital Transit Theodolite 2. EDM 3. Computer
28
3 basic measurements
1. Scope Distance 2. Horizontal Angle 3. Vertical Angle ( Zenith Angle)
29
_________ are the communication tool used to locate the project
Construction stakes
30
_______ are used to communicate to the craftperson
Line and grade marks
31
The most important aspect of equipment care is to keep equipment _________
Clean
32
Hubs
Elevation
33
Stakes
Centerline
34
Lath
Guard Stake
35
Use a ______ and a ______ to assist in chaining horizontally.
Hand level, plumb bob
36
The _____ is the most critical part of angle layout
Backsight
37
Which of the following variables require considerations when measuring distances with an EDM?
Prism constant, Temp,Pressure (PPM)
38
The structure of angle measuring instruments has 3 sections which are?
Alidade, Horizontal Circle, Leveling Section
39
Which geometric relationship applies to a calibrated transit (angle turning instrument)
Line of sight perpendicular to Horizontal Axis
40
Leveling process of determining the difference in elevation between two points is
Differential Leveling
41
Hubs used for control should have a tolerance of
.01 Horizontal and .01 ft Vertical
42
Field engineers and layout personnel are not qualified to perform which tasks
Property lines and boundaries
43
Total Station measures 3 variables ?
Horizontal angels, vertical angles, slope distances
44
Topographic elevations often are determined by usage of a total station. This form of leveling is
Trigonometric leveling
45
The mecahnical part of an automatic level which creates a horizontal line of sight is called
compensator
46
Transferring an elevation into a multi story building is best accomplished by using which tool?
Calibrated Chain Tape
47
Determines elevations for lines perpendicular to the centerline and is useful in computation of volumes. ( Used for levees)
Cross sectional Leveling
48
Great for determining irregular shaped excavations ( useful for landfills)
Grid Leveling
49
leveling that minimizes the possibility for error
Three wire leveling