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CM > Survey Test 1 > Flashcards

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 ________

A

Paralax

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
Q

The major difference between transits, optical theodolites, and digital theodolites is

A

Method of reading angles

26
Q

Graduated rod used in leveling constructed of wood, fiberglass, or metal is called

A

Level Rod

27
Q

3 Components of a Total Station

A
  1. Digital Transit Theodolite
  2. EDM
  3. Computer
28
Q

3 basic measurements

A
  1. Scope Distance
  2. Horizontal Angle
  3. Vertical Angle ( Zenith Angle)
29
Q

_________ are the communication tool used to locate the project

A

Construction stakes

30
Q

_______ are used to communicate to the craftperson

A

Line and grade marks

31
Q

The most important aspect of equipment care is to keep equipment _________

A

Clean

32
Q

Hubs

A

Elevation

33
Q

Stakes

A

Centerline

34
Q

Lath

A

Guard Stake

35
Q

Use a ______ and a ______ to assist in chaining horizontally.

A

Hand level, plumb bob

36
Q

The _____ is the most critical part of angle layout

A

Backsight

37
Q

Which of the following variables require considerations when measuring distances with an EDM?

A

Prism constant, Temp,Pressure (PPM)

38
Q

The structure of angle measuring instruments has 3 sections which are?

A

Alidade, Horizontal Circle, Leveling Section

39
Q

Which geometric relationship applies to a calibrated transit (angle turning instrument)

A

Line of sight perpendicular to Horizontal Axis

40
Q

Leveling process of determining the difference in elevation between two points is

A

Differential Leveling

41
Q

Hubs used for control should have a tolerance of

A

.01 Horizontal and .01 ft Vertical

42
Q

Field engineers and layout personnel are not qualified to perform which tasks

A

Property lines and boundaries

43
Q

Total Station measures 3 variables ?

A

Horizontal angels, vertical angles, slope distances

44
Q

Topographic elevations often are determined by usage of a total station. This form of leveling is

A

Trigonometric leveling

45
Q

The mecahnical part of an automatic level which creates a horizontal line of sight is called

A

compensator

46
Q

Transferring an elevation into a multi story building is best accomplished by using which tool?

A

Calibrated Chain Tape

47
Q

Determines elevations for lines perpendicular to the centerline and is useful in computation of volumes. ( Used for levees)

A

Cross sectional Leveling

48
Q

Great for determining irregular shaped excavations ( useful for landfills)

A

Grid Leveling

49
Q

leveling that minimizes the possibility for error

A

Three wire leveling

CM (5 decks)

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