Deck 2: Data Acquisition

Question 1

Which of the following statements is not true?

A)Field notes contain a complete record of all measurements made during a survey.
B)Field notebooks are legal documents.
C)Field notebooks used for boundary surveys are destroyed at the conclusion of a construction project.
D)None of the above

Answer 1

Field notebooks used for boundary surveys are destroyed at the conclusion of a construction project.

Question 2

Which of the following type of field note is not generally recorded in a field notebook?

A)Driving directions to the survey site
B)Tabulations of numerical measurements
C)Clarifying sketches
D)Descriptions clarifying measurements and survey monument locations

Answer 2

Driving directions to the survey site

Question 3

What is the number 74.432126 when shown in four significant figures?

A)0.4321
B)74.43
C)74.432
D)74.4321

Answer 3

74.43

Question 4

Which method of horizontal distance measurement requires no equipment?

A)Stadia
B)Taping
C)Pacing
D)None of the above

Question 5

Which of the following is not considered an error type associated with Global Positioning System (GPS) measurements?

A)Atmospheric
B)Seasonal
C)Satellite
D)Receiver

Question 6

Which of the following statements regarding the Standards for Positional Accuracy of Global Positioning System (GPS) data is correct?

A)GPS surveys use different accuracy standards than traditional network and traverse surveys.
B)The U.S. government changed its methodology for reporting the accuracy of horizontal and vertical coordinate values because it was difficult to compare the accuracy of GPS and traditional surveys.
C)It is impossible to determine the accuracy of GPS data because of system complexity.
D)Only answers A and B

Question 7

For which site condition would it be appropriate to combine conventional optical surveying methods with GPS land surveying methods?

A)A heavily developed corridor has tall buildings.
B)Steep trails and heavy brush make it difficult for crew to access the area.
C)A portion of the project area is submerged.
D)All of the above

Question 8

What steps can you take to ensure you, as a surveying professional, are providing high quality survey data?

A)Make sure you have a clear understanding of the required work, standards, and schedule.
B)Make sure your crews are well trained and are supplied with the proper equipment.
C)Provide the proper documentation that adheres to established standards.
D)All of the above

Question 9

GPS data integrated into geographic information systems (GIS) provide three-dimensional location information that can be used for which of the following:

A)Hydrologic/hydraulic modeling for floodplain delineations
B)Migration modeling for predicting bird strikes at wind farms
C)Sewer system evaluation studies and inflow/infiltration analyses
D)All of the above

Question 10

Which of the following is not a component of a telescopic sight common to levels and transits?

A)Objective lens
B)Offensive lens
C)Focusing lens
D)Reticle

Question 11

Measurements for which order of survey are the most accurate?

A)First-order
B)Second-order
C)Third-order
D)Lower-order

Question 12

Which of the following is true when the bubble of a level is centered?

A)The axis of the level tube is parallel to the vertical axis.
B)The axis of the level tube is perpendicular to the vertical axis.
C)The axis of the level is parallel to the horizontal axis.
D)The axis of the level is perpendicular to the horizontal axis.

Question 13

Why is a total station considered superior technology to a theodolite?

A)More training is required for using theodolites.
B)Total stations are less expensive than theodolites.
C)Total stations are digitally integrated and more precise.
D)All of the above

Question 14

Which survey device generates an infrared continuous wave carrier beam and measures the phase-shift of the reflected beam to determine the distance of an object?

A)Theodolite
B)EDM
C)GPS
D)Transit

Question 15

What is the rate of grade of a 225 ft street with a drop in elevation of 5 ft?

A)-97.78%
B)-2.22%
C)2.22%.
D)97.78%

Question 16

When setting the next turning point for a traverse line, which of the following would be the most advantageous location for the point?

A)In the lowest spot possible
B)In a shady area
C)On the top of a small hill with good visibility in all directions
D)None of the above

Question 17

A _______ is a system that is used for detecting objects on the seafloor.

A)Side Scan Sonar
B)LIDAR
C)Total Station
D)GPS

Question 18

Which of the following coordinates can be used to make horizontal ties?

A)Rectangular: Plus and Offset
B)Polar: Angle and Distance
C)Focal: Triangulation
D)All of the above

Question 19

Fill in the blank:_____ is a method used to align an aerial image with real world coordinates by measuring the exact location of the image center and the exact angle of the camera when the image was taken?

A)Georectification
B)Orthorectification
C)Calibration
D)Distortion

Question 20

Which set of factors best reflects what determines the C-Factor of a mapping system?

A)Aircraft, pilot, terrain, and camera lens
B)Weather, camera, terrain, and flight time
C)Pilot, flight time, camera, and photo lab equipment
D)Camera, flying height, plotting equipment, and ground control

Question 21

Fill in the blanks (answer 1, answer 2):
A ____ image is made up of pixels and a ____ image is made up of mathematically defined entities drawn between coordinates.
I. 3-D
II. Vector
III. Raster
IV. PDF

A)I, II
B)III, II
C)III, IV
D)II, IV

Question 22

What is the scale of vertical photography if it is taken with a 6-in focal length camera at an altitude of 5,750 ft above mean terrain?

A)1 / 953
B)1 / 2,875
C)1 / 11,500
D)1 / 34,500

Question 23

If the mean elevation of the terrain to be mapped is 1,400 ft above sea level and the vertical photography is to be taken with a 6-in focal length camera at an elevation of 4,400 ft, what is the nominal map scale when utilizing an 8 to 1 plotting ratio?

A)1 in = 8 ft
B)1 in = 62.5 ft
C)1 in = 500 ft
D)None of the above