CDC 3e551 Engineering Journeyman

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CDC 3e551 Engineering Journeyman - Quiz

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Questions and Answers
  • 1. 

    Which reference ellipsoid surface do we use in the Air Force?

    • A.

      Geographic Coordinate System (GCS)

    • B.

      Universal Transverse Mercator (UTM)

    • C.

      North American Datum 1983 (NAD83)

    • D.

      World Geodetic System 1984 (WGS84)

    Correct Answer
    D. World Geodetic System 1984 (WGS84)
    Explanation
    The World Geodetic System 1984 (WGS84) is used in the Air Force as the reference ellipsoid surface. This system is widely used for GPS positioning and navigation. It provides a consistent and accurate representation of the Earth's shape and size, which is crucial for air operations. The WGS84 reference ellipsoid is used to define the coordinates and measurements used in various Air Force applications, including mapping, surveying, and geospatial intelligence.

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  • 2. 

    To represent the ellipsoid in two dimensions, we use a projection called

    • A.

      Geographic Coordinate System (GCS)

    • B.

      Universal Transverse Mercator (UTM)

    • C.

      North American Datum 1983 (NAD83)

    • D.

      World Geodetic System 1984 (WGS84)

    Correct Answer
    B. Universal Transverse Mercator (UTM)
    Explanation
    The correct answer is Universal Transverse Mercator (UTM). UTM is a projection system that is commonly used to represent the ellipsoid in two dimensions. It divides the Earth into multiple zones and uses a transverse cylindrical projection to map each zone individually. This projection is especially useful for large-scale mapping and navigation purposes, as it provides accurate measurements and preserves distances and angles relatively well within each zone.

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  • 3. 

    What do we call a projection that preserves angles, as opposed to shape, area, or distance?

    • A.

      Reference

    • B.

      Azimuthal

    • C.

      Conformal

    • D.

      Cylindrical

    Correct Answer
    C. Conformal
    Explanation
    A conformal projection is a type of projection that preserves angles, meaning that the shape of the objects on the map may be distorted, but the angles between them will remain the same. This is in contrast to other types of projections such as azimuthal and cylindrical, which may preserve other properties like shape, area, or distance, but not necessarily angles.

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  • 4. 

    A bearing of “South 60 degrees East” translates to an azimuth of

    • A.

      60

    • B.

      90

    • C.

      120

    • D.

      180

    Correct Answer
    C. 120
    Explanation
    A bearing of "South 60 degrees East" indicates a direction that is 60 degrees east of south. In terms of azimuth, which is measured clockwise from north, a bearing of South 60 degrees East would correspond to an azimuth of 120 degrees.

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  • 5. 

    What ratio is the most common stadia interval in the United States?

    • A.

      1:100

    • B.

      1:200

    • C.

      1:333

    • D.

      1:500

    Correct Answer
    A. 1:100
    Explanation
    The most common stadia interval in the United States is 1:100. This means that for every 100 units of distance, the stadia interval is 1 unit. Stadia intervals are commonly used in surveying and construction to measure distances and heights. A 1:100 ratio provides a reasonable balance between accuracy and ease of measurement, making it a popular choice in the United States.

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  • 6. 

    What is parallel to lines of longitude from the Earth’s rotational axis?

    • A.

      Zenith

    • B.

      Bearing

    • C.

      Grid north

    • D.

      Magnetic north

    Correct Answer
    C. Grid north
    Explanation
    Grid north refers to the direction towards the top of a map, which is parallel to the lines of longitude from the Earth's rotational axis. This means that as you move along the lines of longitude, you are also moving in the direction of grid north. Zenith refers to the point directly above an observer, bearing refers to the direction or angle between two points, and magnetic north refers to the direction towards the Earth's magnetic field.

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  • 7. 

    When correcting magnetic north to grid north, what do we do with an easterly declination?

    • A.

      Divide by longitude

    • B.

      Add to magnetic north

    • C.

      Multiply by grid north

    • D.

      Subtract from magnetic north

    Correct Answer
    B. Add to magnetic north
    Explanation
    When correcting magnetic north to grid north, if there is an easterly declination, we need to add it to the magnetic north. This adjustment is necessary because magnetic north and grid north are not aligned and may have a difference known as declination. By adding the easterly declination to the magnetic north, we can obtain the correct grid north direction.

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  • 8. 

    With a starting azimuth of 48 degrees after turning counterclockwise. What measurement is our new azimuth?

    • A.

      54

    • B.

      –54

    • C.

      160

    • D.

      306

    Correct Answer
    D. 306
    Explanation
    The question states that the starting azimuth is 48 degrees after turning counterclockwise. Since the question asks for the new azimuth measurement, we need to add the starting azimuth to the turning angle. Adding 48 degrees to a counterclockwise turning angle will result in a new azimuth of 306 degrees.

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  • 9. 

    Because someone unfamiliar with surveying may use your field notes, the field notes must be

    • A.

      Clear and detailed

    • B.

      General and in English

    • C.

      Specific and in active voice

    • D.

      Locked in a box and protected from tampering

    Correct Answer
    A. Clear and detailed
    Explanation
    Field notes in surveying must be clear and detailed in order to ensure that anyone, even someone unfamiliar with surveying, can understand and use them effectively. The clarity and level of detail in the field notes are crucial for accurately interpreting and reproducing the survey measurements and observations. This ensures that the survey data can be properly analyzed and utilized for various purposes, such as mapping, construction, or land development. Therefore, clear and detailed field notes are essential for maintaining accuracy and consistency in surveying practices.

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  • 10. 

    Since field notes are legal documents and we do not erase anything, how do we mark corrections?

    • A.

      Line through error, note change above the line

    • B.

      Scratch out error, note change on separate page

    • C.

      Line through error, note change on separate page

    • D.

      Tear out page, start the survey over and begin a new page

    Correct Answer
    A. Line through error, note change above the line
    Explanation
    When marking corrections in field notes, the correct method is to line through the error and note the change above the line. This ensures that the original error is still visible while the correction is clearly indicated. By marking the change above the line, it is easy to identify and understand the correction without any confusion. This method maintains the integrity of the legal document by not erasing anything and providing a clear record of the correction made.

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  • 11. 

    Where in our post-processing software can we find the feature definition manager?

    • A.

      Edit menu, under Tools, top of the list

    • B.

      File menu, under Tools, second on the list

    • C.

      File menu, under Options, last item on list

    • D.

      Survey menu, under Features, bottom of the list

    Correct Answer
    B. File menu, under Tools, second on the list
    Explanation
    In the post-processing software, the feature definition manager can be found in the File menu, under Tools. It is the second item on the list.

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  • 12. 

    What six feature definition types are in the feature code libraries?

    • A.

      Point, line, polygon, group, array, and integer

    • B.

      Integer, decimal, character, string, array, and photo

    • C.

      Category, point, line, polygon, line control, and group

    • D.

      Category, point, line, polygon, polygon control, and group

    Correct Answer
    C. Category, point, line, polygon, line control, and group
    Explanation
    The correct answer is Category, point, line, polygon, line control, and group. This answer correctly identifies the six feature definition types in the feature code libraries. These types include category, which allows for the categorization of features; point, which represents a single point location; line, which represents a line or path; polygon, which represents a closed shape; line control, which allows for the control of lines; and group, which allows for the grouping of features.

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  • 13. 

    What feature code library command starts a line at a point?

    • A.

      Begin Line

    • B.

      Starts Line

    • C.

      First Point

    • D.

      Activate Line

    Correct Answer
    B. Starts Line
    Explanation
    The feature code library command "Starts Line" is used to begin a line at a specific point. This command is used to initiate the drawing of a line from a designated starting point, allowing the user to create lines in a desired direction or pattern.

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  • 14. 

    What do we call additional information we want to collect and assign to feature codes?

    • A.

      Features

    • B.

      Attributes

    • C.

      Descriptions

    • D.

      Characteristics

    Correct Answer
    B. Attributes
    Explanation
    Attributes are the additional information that we want to collect and assign to feature codes. They provide more details and characteristics about the features, allowing us to categorize and analyze them further. Features refer to the main elements or components, while attributes add more specific information about those features. Descriptions and characteristics are not the correct terms in this context, as they do not specifically refer to the additional information we want to collect and assign to feature codes.

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  • 15. 

    What are the four file types for feature code libraries?

    • A.

      Shapefile, database, .job file, and Nikon code list

    • B.

      Simple text, comma delimited, image, and CAD drawing

    • C.

      HTML file, XML file, data dictionary file, and simple text

    • D.

      Simple text, Nikon code list, data dictionary file, and feature/attribute library

    Correct Answer
    D. Simple text, Nikon code list, data dictionary file, and feature/attribute library
    Explanation
    The correct answer is simple text, Nikon code list, data dictionary file, and feature/attribute library. These four file types are commonly used for feature code libraries. Simple text files can be easily read and edited, making them a convenient format for storing feature codes. Nikon code lists are specific to surveying equipment and contain codes for different types of features. Data dictionary files provide a standardized structure for organizing and defining data elements. Feature/attribute libraries store additional information and attributes related to features in a project.

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  • 16. 

    At what decimal feet must the 2-peg test results be before the instrument needs calibration?

    • A.

      .08

    • B.

      .18

    • C.

      .25

    • D.

      .125

    Correct Answer
    A. .08
    Explanation
    The correct answer is .08. This means that the 2-peg test results must be at .08 decimal feet before the instrument needs calibration.

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  • 17. 

    Where in the controller menus can you find the horizontal angle (HA)/vertical angle (VA) collimation test function?

    • A.

      Main menu, then COGO (coordinate geometry), then Adjust

    • B.

      Main menu, then Survey, then Measure points

    • C.

      Main menu, then Instrument, then Adjust

    • D.

      Main menu, then Instrument, then Tests

    Correct Answer
    C. Main menu, then Instrument, then Adjust
    Explanation
    In order to find the horizontal angle (HA)/vertical angle (VA) collimation test function in the controller menus, you need to navigate to the Main menu first. From there, you should select the Instrument option, and then choose the Adjust option. This is where you can find the HA/VA collimation test function.

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  • 18. 

    What equation is used to convert millimeters (mm) to feet (ft.)?

    • A.

      mm / 3.2808 = ft

    • B.

      Mm * 3.2808 = ft

    • C.

      Mm / 0.0032808 = ft.

    • D.

      Mm * 0.0032808 = ft

    Correct Answer
    D. Mm * 0.0032808 = ft
    Explanation
    The equation mm * 0.0032808 = ft is used to convert millimeters to feet. By multiplying the length in millimeters by the conversion factor 0.0032808, we can obtain the equivalent length in feet.

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  • 19. 

    Which US Army Corps of Engineers (USACE) engineering manual (EM) has comprehensive instructions on monument installation?

    • A.

      10–401

    • B.

      100–5–0001

    • C.

      1110–1–1005

    • D.

      1110–A–1005

    Correct Answer
    C. 1110–1–1005
    Explanation
    The correct answer is 1110–1–1005. This USACE engineering manual provides comprehensive instructions on monument installation.

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  • 20. 

    How many years are temporary monument markers expected to last?

    • A.

      One

    • B.

      Two

    • C.

      Three

    • D.

      Four

    Correct Answer
    B. Two
    Explanation
    Temporary monument markers are expected to last for two years. This means that after the markers are placed, they are designed to remain in place for a period of two years before they are removed or replaced. This timeframe allows for the markers to fulfill their purpose of temporarily marking a monument or location, while still being able to be updated or changed if necessary.

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  • 21. 

    Regarding installing survey monuments, what are the two most common soil types?

    • A.

      A and D

    • B.

      B and G

    • C.

      C and G

    • D.

      D and E

    Correct Answer
    C. C and G
    Explanation
    The two most common soil types for installing survey monuments are C and G.

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  • 22. 

    For which materials are bronze disk monuments best suited?

    • A.

      Steel and wood

    • B.

      Sands and gravels

    • C.

      Concrete and asphalt

    • D.

      Bedrock or concrete permanent structures

    Correct Answer
    D. Bedrock or concrete permanent structures
    Explanation
    Bronze disk monuments are best suited for bedrock or concrete permanent structures. This is because bronze is a durable material that can withstand the test of time and weather conditions. Bedrock provides a stable foundation for the monument, ensuring its longevity. Concrete permanent structures also offer a solid base for the bronze disk monument, ensuring its stability and preservation.

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  • 23. 

    Convert 30 10’20” into decimal degrees to three decimals.

    • A.

      30.17

    • B.

      30.15

    • C.

      29.17

    • D.

      29.11

    Correct Answer
    A. 30.17
    Explanation
    To convert 30 10'20" into decimal degrees, we need to convert the minutes and seconds into decimal form. There are 60 minutes in a degree, so we divide 10 by 60 to get 0.1667 degrees. Similarly, there are 60 seconds in a minute, so we divide 20 by 3600 (60*60) to get 0.0056 degrees. Adding these values to 30, we get 30.1667 degrees. Rounding it to three decimals, the answer is 30.167. However, the given options do not include this exact value, so the closest option is 30.17.

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  • 24. 

    When adjusting a traverse, which columns do we total to get the misclosure?

    • A.

      Angle and distance

    • B.

      Latitude and departure

    • C.

      Latitude and longitude

    • D.

      Northings and eastings

    Correct Answer
    B. Latitude and departure
    Explanation
    To calculate the misclosure in a traverse, we need to total the values in the columns for latitude and departure. Latitude represents the north-south direction, while departure represents the east-west direction. By summing up the differences between the observed and calculated values in these columns, we can determine the misclosure, which indicates the error or discrepancy in the traverse measurements. The other options (angle and distance, latitude and longitude, northings and eastings) are not relevant for calculating the misclosure in a traverse.

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  • 25. 

    How do we decide the proportion of misclosure a latitude or departure receives?

    • A.

      Quadrant

    • B.

      Station number

    • C.

      Portion of interior angles

    • D.

      Proportion of horizontal distance

    Correct Answer
    D. Proportion of horizontal distance
    Explanation
    The proportion of horizontal distance is used to determine the misclosure in the latitude or departure. This means that the difference between the measured and calculated distances in the horizontal direction is taken into account when calculating the misclosure. By comparing the actual horizontal distance with the calculated distance, any errors or discrepancies can be identified and quantified. This allows for a more accurate determination of the misclosure in the latitude or departure.

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  • 26. 

    What determines the precision requirements of a survey?

    • A.

      Purpose

    • B.

      Features

    • C.

      Equipment

    • D.

      Graduated rod

    Correct Answer
    A. Purpose
    Explanation
    The purpose of a survey determines the precision requirements because different purposes may require different levels of accuracy. For example, a survey for construction purposes may require a high level of precision in order to ensure accurate measurements and alignment, while a survey for general information gathering may not require the same level of precision. Therefore, the purpose of the survey is a key factor in determining the precision requirements.

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  • 27. 

    We prefer level-loop surveys because we can check the

    • A.

      Cleanliness

    • B.

      Coordinates

    • C.

      Quality of the survey

    • D.

      Accuracy of the equipment

    Correct Answer
    C. Quality of the survey
    Explanation
    Level-loop surveys are preferred because they allow us to assess the quality of the survey. By conducting level-loop surveys, we can ensure that the measurements taken are accurate and reliable. This helps in obtaining precise and trustworthy data for various purposes such as construction, mapping, or engineering projects. By evaluating the quality of the survey, we can have confidence in the results and make informed decisions based on them.

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  • 28. 

    What value minus the height of instrument (HI) equals the elevation?

    • A.

      Foresight

    • B.

      Backsight

    • C.

      Station number

    • D.

      Distance (in meters)

    Correct Answer
    A. Foresight
    Explanation
    The elevation can be determined by subtracting the height of the instrument (HI) from the value of the foresight. The foresight refers to the reading taken on a staff or rod placed at a specific point, and it represents the height above a reference point. By subtracting the HI, which is the height of the instrument above the reference point, from the foresight value, the actual elevation of the point can be calculated.

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  • 29. 

    After robotic total station setup, which screen provides you, as the surveyor, the chance to identify any mistakes when entering data?

    • A.

      Controller Results

    • B.

      Total Station Results

    • C.

      Survey Setup Results

    • D.

      Station Setup Results

    Correct Answer
    D. Station Setup Results
    Explanation
    The Station Setup Results screen provides the surveyor with the chance to identify any mistakes when entering data after the robotic total station setup. This screen displays the results of the station setup process, including information such as the station coordinates, instrument height, and target height. By reviewing this information, the surveyor can ensure that the data entered during the setup process is correct and accurate.

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  • 30. 

    Which checkbox, in the measure rounds options, tells the instrument to measure without surveyor input?

    • A.

      Target Auto-measure

    • B.

      Passive Target Detection

    • C.

      Automatic Target Measure

    • D.

      Auto-measure Passive Targets

    Correct Answer
    D. Auto-measure Passive Targets
    Explanation
    The checkbox "Auto-measure Passive Targets" in the measure rounds options tells the instrument to measure without surveyor input. This means that the instrument will automatically measure any passive targets it detects without requiring any manual input or intervention from the surveyor.

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  • 31. 

    Where in the survey controller menus can you find the traverse computation function?

    • A.

      Second page of the coordinate geometry (COGO) menu

    • B.

      Second page of the Survey menu

    • C.

      First page of the Instrument menu

    • D.

      Last page of measure rounds options

    Correct Answer
    A. Second page of the coordinate geometry (COGO) menu
    Explanation
    The traverse computation function can be found on the second page of the coordinate geometry (COGO) menu.

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  • 32. 

    Which of the following best describes the role of an Engineering Journeyman in the military?

    • A.

      An entry-level technician responsible for routine maintenance and repairs.

    • B.

      A highly experienced engineer specializing in designing and implementing complex systems.

    • C.

      A skilled technician responsible for installing, maintaining, and repairing various engineering systems.

    • D.

      An administrative assistant supporting engineering projects through documentation and scheduling.

    Correct Answer
    C. A skilled technician responsible for installing, maintaining, and repairing various engineering systems.
    Explanation
    An Engineering Journeyman in the military is typically a mid-level position involving hands-on technical work. They are responsible for a variety of tasks related to the installation, maintenance, and repair of engineering systems. This role requires a combination of technical skills and practical experience, making them adept at handling complex technical issues that go beyond routine maintenance.

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  • 33. 

    Which Global Navigation Satellite System (GNSS) Planning Online screen allows you to set the location of your survey?

    • A.

      Settings

    • B.

      Satellites

    • C.

      Satellite Library

    • D.

      Latitude/Longitude

    Correct Answer
    A. Settings
    Explanation
    The correct answer is "Settings". In the Settings screen of the Global Navigation Satellite System (GNSS) Planning Online, you can set the location of your survey. This screen allows you to input the specific latitude and longitude coordinates of the survey area, ensuring accurate positioning and navigation.

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  • 34. 

    Which Global Navigation Satellite System (GNSS) Planning Online screen lists and provides satellite information in different constellations and allows you to include or ignore specific satellites?

    • A.

      Settings

    • B.

      Satellites

    • C.

      Satellite Library

    • D.

      Latitude/Longitude

    Correct Answer
    C. Satellite Library
    Explanation
    The correct answer is "Satellite Library". The Satellite Library screen allows users to view and access information about satellites in different constellations. It also provides the option to include or ignore specific satellites based on the user's preferences. This feature is useful for planning and optimizing Global Navigation Satellite System (GNSS) usage.

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  • 35. 

    In the best-case scenario or ideal survey times, which value is better if it is lower?

    • A.

      Antenna height

    • B.

      Satellite elevation

    • C.

      Number of satellites

    • D.

      Dilution of precisions (DOP)

    Correct Answer
    D. Dilution of precisions (DOP)
    Explanation
    In the best-case scenario or ideal survey times, a lower value of Dilution of Precisions (DOP) is better. DOP is a measure of the geometric quality of satellite positioning signals and indicates the accuracy and reliability of the GPS positioning solution. A lower DOP value signifies a better positioning solution with less uncertainty and better accuracy. Therefore, in ideal survey conditions, a lower DOP value is preferred.

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  • 36. 

    When is ionospheric information available for consideration for quality control?

    • A.

      After survey

    • B.

      Before survey

    • C.

      During survey

    • D.

      During inclement weather

    Correct Answer
    A. After survey
    Explanation
    Ionospheric information is available for consideration after a survey has been conducted. This suggests that the information is obtained as a result of the survey and is then used for quality control purposes. It is not available before or during the survey, as it is collected and analyzed afterwards. Additionally, the availability of ionospheric information during inclement weather is not mentioned or relevant to the question.

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  • 37. 

    Where are the Survey Styles functions in the survey controller software?

    • A.

      Below Survey in Options

    • B.

      Below General Survey in Settings

    • C.

      Above Instrument in General Survey

    • D.

      To the left of Instrument in the Survey menu

    Correct Answer
    B. Below General Survey in Settings
    Explanation
    The Survey Styles functions can be found below the General Survey section in the Settings of the survey controller software.

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  • 38. 

    We have two survey receivers but only one controller. The logging device setting for the rover is

    • A.

      Receiver

    • B.

      Controller

    • C.

      Secure digital (SD) card

    • D.

      Universal serial bus (USB) port

    Correct Answer
    B. Controller
    Explanation
    The correct answer is "Controller" because in the given scenario, there are two survey receivers but only one controller. The logging device setting for the rover would be controlled by the controller, which means that the controller would be responsible for managing and recording data from the survey receivers.

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  • 39. 

    As of 2017, federal agencies, including the Department of Defense (DOD), were ordered to discontinue the use of which satellite constellation?

    • A.

      Galileo

    • B.

      BeiDou

    • C.

      Navigation Satellite Timing and Ranging (NAVSTAR)

    • D.

      Globalnaya navigatsionnaya sputnikovaya sistema (GLONASS)

    Correct Answer
    D. Globalnaya navigatsionnaya sputnikovaya sistema (GLONASS)
    Explanation
    The correct answer is Globalnaya navigatsionnaya sputnikovaya sistema (GLONASS). In 2017, federal agencies, including the Department of Defense, were ordered to discontinue the use of GLONASS. This indicates that GLONASS was being used by these agencies prior to the order.

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  • 40. 

    After setting up the base receiver, we can disconnect the controller; which base option allows us to do this?

    • A.

      Tilt

    • B.

      Logging device

    • C.

      Elevation mask

    • D.

      Global Positioning System (GPS) L2C

    Correct Answer
    B. Logging device
    Explanation
    A logging device would allow us to disconnect the controller after setting up the base receiver. This device would record and store data, so we can disconnect the controller and still have access to the information collected by the base receiver.

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  • 41. 

    When retrieving files from the receiver, which General Survey menu do we select first?

    • A.

      Survey

    • B.

      Instrument

    • C.

      Coordinate Geometry (COGO)

    • D.

      Global Navigation Satellite System (GNSS) functions

    Correct Answer
    B. Instrument
    Explanation
    When retrieving files from the receiver, the first menu to select is the "Instrument" menu. This menu allows the user to access and manage the files stored in the receiver, including survey data, instrument settings, and other related files. By selecting the "Instrument" menu, the user can easily navigate through the receiver's file system and retrieve the desired files.

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  • 42. 

    Which two files do we need to post-process the survey data for a Static survey?

    • A.

      Receiver’s .TT2 and controller’s .tt2

    • B.

      Receiver’s .dat and the controller’s .dat

    • C.

      Receiver’s .T02 and the controller’s .t02

    • D.

      Receiver’s .T02 and the controller’s .job

    Correct Answer
    C. Receiver’s .T02 and the controller’s .t02
    Explanation
    To post-process the survey data for a Static survey, we need the Receiver's .T02 file and the controller's .t02 file. These files contain the necessary data and information for the post-processing process. The .T02 file from the receiver contains the raw survey data, while the .t02 file from the controller contains the control points and other relevant information needed for the post-processing analysis.

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  • 43. 

    What is the Web address for the Online Positioning User Service (OPUS) processing service?

    • A.

      Www.gps.ncaa.org/OPUS/

    • B.

      Www.ngs.noaa.gov/OPUS/

    • C.

      Www.ngs.ncap.gov/STATIC/

    • D.

      Www.ngs.noaa.gov/SURVEY

    Correct Answer
    B. Www.ngs.noaa.gov/OPUS/
    Explanation
    The correct answer is www.ngs.noaa.gov/OPUS/. This is the correct web address for the Online Positioning User Service (OPUS) processing service. The other options provided in the question are not the correct web addresses for this service.

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  • 44. 

    Which file format does the Online Positioning User Service (OPUS) Web service require to process survey data?

    • A.

      .18o

    • B.

      .shp

    • C.

      .dwg.

    • D.

      T02

    Correct Answer
    A. .18o
    Explanation
    The correct answer is ".18o". This file format is required by the Online Positioning User Service (OPUS) Web service to process survey data. This format is commonly used for storing GPS observation data and is compatible with OPUS for accurate positioning and data analysis.

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  • 45. 

    As displayed on the Online Positioning User Service (OPUS) Website, Rapid-Static surveys are less than but Static surveys are more than how many hours?

    • A.

      12

    • B.

      16

    • C.

      24

    • D.

      48

    Correct Answer
    C. 24
    Explanation
    According to the information on the OPUS Website, Rapid-Static surveys take less than 24 hours, while Static surveys take more than 24 hours. Therefore, the correct answer is 24.

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  • 46. 

    The response e-mail from the Online Positioning User Service (OPUS) has a lot of information; what information are we looking for to adjust our survey data?

    • A.

      Elevation Height

    • B.

      Orthogonal Height

    • C.

      State Plane Coordinates

    • D.

      Northing (Y) and Easting (X)

    Correct Answer
    D. Northing (Y) and Easting (X)
    Explanation
    The response email from the Online Positioning User Service (OPUS) provides various information, but the specific information we are looking for to adjust our survey data is the Northing (Y) and Easting (X) coordinates. These coordinates are essential for accurately positioning and aligning the survey data in relation to the reference point or grid system. By adjusting the survey data using these coordinates, we can ensure that the data is correctly aligned and integrated with other geospatial information.

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  • 47. 

    When adding the .T02 file to the post processing software, where do you add the corrected Online Positioning User Service (OPUS) coordinates?

    • A.

      Task Pane

    • B.

      Project Definition

    • C.

      Import/Export Manager

    • D.

      Project Properties Window

    Correct Answer
    B. Project Definition
    Explanation
    In the post processing software, the corrected Online Positioning User Service (OPUS) coordinates are added in the Project Definition. This is where the user defines the project parameters and settings, including the coordinates for the project. By adding the corrected OPUS coordinates in the Project Definition, the software will use these coordinates for further calculations and analysis.

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  • 48. 

    Under which tab do we find the Process Baselines tool?

    • A.

      Survey

    • B.

      Drafting

    • C.

      Corridor

    • D.

      Surfaces

    Correct Answer
    A. Survey
    Explanation
    The Process Baselines tool can be found under the "Survey" tab. This tab is likely to contain various tools and features related to surveying and data collection. The Process Baselines tool is likely to be used for creating and managing baselines in the surveying process.

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  • 49. 

    How many seconds do we set our post-processed kinematic (PPK) observation times to in order to ensure sub-centimeter accuracy?

    • A.

      15

    • B.

      30

    • C.

      45

    • D.

      60

    Correct Answer
    B. 30
    Explanation
    To ensure sub-centimeter accuracy in post-processed kinematic (PPK) observation times, we set the observation times to 30 seconds. This duration allows for a sufficient amount of data to be collected and processed, resulting in more precise measurements. A longer observation time may not significantly improve accuracy, while a shorter duration may not provide enough data for accurate calculations. Therefore, setting the PPK observation times to 30 seconds strikes a balance between accuracy and efficiency.

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  • 50. 

    When setting up real-time kinematic (RTK) survey styles, how do we access the radio settings?

    • A.

      From the data link menu, select Menu on the far right

    • B.

      Select Connect at the bottom of the radio settings menu

    • C.

      Select Radio as the data link type and they settings display

    • D.

      Select Accept after setting the data link options and the radio settings display

    Correct Answer
    B. Select Connect at the bottom of the radio settings menu
    Explanation
    To access the radio settings when setting up real-time kinematic (RTK) survey styles, one needs to select "Connect" at the bottom of the radio settings menu. This allows the user to establish a connection with the radio settings and access the options for configuring the data link. Once the desired data link options are set, the user can select "Accept" to apply the settings and the radio settings display will be accessible.

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

  • Current Version
  • Jun 24, 2024
    Quiz Edited by
    ProProfs Editorial Team
  • Nov 13, 2019
    Quiz Created by
    Thet
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