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survey > exam 1 > Flashcards

exam 1 Flashcards

1
Q

Surveying is a learned, licensed, self-policing profession dealing primarily with ______ measurement and ______ law;

A

land

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2
Q

The two basic categories of Surveying are _____________ and ______________

A

Boundary, Engineering

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3
Q

Surveying is a ____________ regulated in every state by a ___________ board.

A

profession, governing

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4
Q

lane surveying assumes a fixed __________ datum as part of _______________ coordinates in 3D space

A

vertical, Cartesian

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5
Q

Meridians of _______________ converge at the poles and determine East-West position

A

Longitude

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6
Q

Geodetic Surveying assumes that the surveyed surface is projected onto a “_______________” mathematical surface

A

spheroidal

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7
Q

The GEOID is the shape that the _________ surface would take under the influence of the gravity and rotation of Earth alone, if other influences such as winds and tides were absent.

A

ocean

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8
Q

NCEES is a national nonprofit organization dedicated to advancing professional _____________ for engineers and surveyors.

A

licensure

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9
Q

The seven types of surveys discussed in class are:

A

Route

Aerial

Final

topographic

Property

Hydrographic

Construction

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10
Q

_________________________ is the calculated elevation of the level at each point of setup.

A

Height of Instrument

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11
Q

A _________________ is an Intermediate point in a leveling procedure with a calculated elevation

A

Turning Point

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12
Q

True or False? - In a Differential Leveling Worksheet, HI = Elev + BS

A

True

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13
Q

On a Laser Level, a laser sweeps around on a _______________________

A

horizontal plane

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14
Q

On a Leveling Loop with a total horizontal distance of 750 ft, the Sum of the Backsights = 32.86 ft. The Sum of the Foresights = 31.59 ft.

Determine the Correction Factor = ___________(ft/ft)

A

-0.0016933

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15
Q

In Surveying, Elevations are always referenced to some kind of ____________

A

datum

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16
Q

In a Surveying Leveling Procedure a ______________ is a Differential Elevation of a Point BEHIND the INSTRUMENT.

A

Backsight

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17
Q

True or False? - In a Differential Leveling Worksheet, Elev = HI + BS

A

False

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18
Q

The way to correct mistakes in surveying field note and level book entries is to _____________

A

strike through

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19
Q

How close your answer is to the exact answer is an example of _________________.

A

Accuracy

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20
Q

Electronic Distance Measurement uses _________________ of infrared light to measure distances.

A

Phase-shifting

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21
Q

A new Tesla has a paint thickness of 4.5 mil. How many inches thick is the paint?

A

0.0045

22
Q

A Bearing is a Direction measured clockwise from north

A

False

23
Q

When surveying, angles can be measured by distances using ____________________.

A

Tape

Trigonometry

Trilateration

24
Q

How many meters in one mile?

A

1609

25
Q

How many square feet in 3 hectares?

A

322,900

26
Q

A ranch in Dickens County covers 75 square miles. How many acres is this?

A

48,000

27
Q

Given angle 135° 42’ 35” Convert to Decimal Degrees (DD)

A

135.7097°

28
Q

The Public Land Survey System (PLSS) typically divides land into __________________________.

A

6-mile-square townships

29
Q

Convert 32.375° to degrees, minutes, and seconds

A

32° 22’ 30”

30
Q

How many degrees in the interior angles of a 8-sided figure?

A

1080

31
Q

Convert 125° 33’ 47” to decimal degrees

A

125.5631

32
Q

The PLSS also divides land into one-mile-square sections. The area of a Section is _____________

A

One square mile

640 acres

Four Quarter Sections

33
Q

Any line passing through one and only one point on the circle is a ___________

A

tangent

34
Q

_____________ direction angles are measured in the clockwise direction from north

A

Azimuth

35
Q

What is the Core of the Science of Surveying?

A

Mathematics

36
Q

Convert the following direction angles to Bearing format: 121° 09’ 10”

A

S 58° 50’ 50” E

37
Q

N 86° 59’ 59” E is an example of a _______________ direction angle.

A

Bearing

38
Q

Determine the area of the trapezoid. a = 6.5, b = 11, h = 4.8

A

42.0

39
Q

Subtract the following angles:

A

114° 24’ 47”

40
Q

True North is the point on the earth where the “north” pole of the earth’s natural magnetic field is located.

A

False

41
Q

A Bearing Angle must be less than 90°

A

True

42
Q

The ground rises 3.56 ft in 245 ft . Determine the Slope Gradient (%)

A

vertical rise/ horizontal distance *100 = 1.45%

43
Q

Magnetic Declination ____________________________

A

-varies with both longitude and latitude.
-drifts
-is the angle between true north and magnetic north.

44
Q

In Surveying, what is North?

A

Magnetic

Grid

True

45
Q

A Bearing is a Direction measured clockwise from north

A

False

46
Q

Determine the Azimuth of Line OA. (43 degrees from SOUTH towards East)

A

137

47
Q

Determine the change in Elevation (ft) along a Horizontal Distance of 300 ft with a Slope of -2.70%

A

-8.10

48
Q

Determine the Azimuth of Line OA. (43 degrees from SOUTH towards East)

A

317

49
Q

Determine the Back Bearing of Line OB: 46 17 24 from East in Quadrant II

A

N 43° 42’ 36” W

50
Q

An Azimuth Angle must be greater than 90°

A

False

51
Q

Which of the following are Primary Cardinal Directions?

A

North South

52
Q

A distance of 2,525.06 ft was measured along a 11.25 percent positive slope. Compute the horizontal distance (ft) from the beginning of the measurement to end of the measurement

A

HD = ID/(sqrt(1+(slope%/100)^@))

2509

survey (1 decks)

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