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Top 105 Interview Questions and Answers for surveyor
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Top 105 Interview Questions and Answers on Surveying Subject

by Admin05939

Last Updated on April 18, 2023 by Admin

Are you gearing up for an interview in civil engineering for a land surveyor position? Congratulations on taking a step toward a rewarding career! To help you ace your upcoming interview, we have compiled a comprehensive list of the top 105 interview questions and answers on surveying. This invaluable resource covers a wide range of topics, from basic concepts to advanced techniques, ensuring you are well-prepared and confident to tackle any question your interviewer may ask. So, get ready to impress your potential employer with your knowledge and expertise in surveying, and embark on a successful journey in this fascinating field.

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What is Surveying in Civil Engineering?

Surveying in civil engineering is measuring and mapping the positions, distances, angles, and elevations of features on the Earth’s surface. It is a fundamental aspect of civil engineering projects, providing critical information for designing, planning, and constructing various structures and infrastructure, such as roads, bridges, buildings, and pipelines.

Surveying helps engineers understand a site’s conditions, determine accurate dimensions, establish boundaries, and create precise layouts for construction projects. By employing various techniques and instruments, surveyors collect data that enable civil engineers to make informed decisions and ensure that projects are completed accurately and efficiently.

Confused about the right job role for you in civil engineering? Take our Civil Engineering Career Choice Test to discover the perfect fit based on your interests and skills and start your journey toward a fulfilling career in the industry.

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Top 105 Interview Questions and Answers on Surveying Subjects in Civil Engineering

Preparing for an interview in the surveying field can be daunting, as there are numerous aspects to consider. To help you succeed, we have compiled a list of surveyor questions and answers that cover a wide range of topics.

This includes building surveying interview questions that delve into the intricacies of assessing structures and their condition, civil engineering surveying interview questions that focus on the relationship between surveying and civil engineering projects, and total station survey interview questions which explore the technical aspects of using total stations for precision measurements.

Additionally, our list contains digital survey interview questions to help you understand the latest technologies used in the industry, land surveyor interview questions that address the legal, ethical, and technical aspects of land surveying, and general surveyor questions and answers that cover a broad spectrum of topics in the field.

By studying these questions, you will be well-prepared and confident to face any interview scenario in the surveying domain. Here are the 105 mostly asked Interview Questions and Answers on Surveying Subjects in Civil Engineering;

1. Can you define surveying?

Surveying is the process of determining the relative positions of points on or near the Earth’s surface by measuring angles, distances, and elevations. It is used in various civil engineering applications, such as construction, transportation, and mapping.

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2. What are the different types of surveying?

There are several types of surveying, including:

  • Land Surveying
  • Construction Surveying
  • Topographic Surveying
  • Hydrographic Surveying
  • Mining Surveying

3. What are the instruments used in surveying?

Several instruments are used in surveying, including:

4. What are the advantages of using a Total Station in surveying?

Total Station is an electronic instrument used in surveying. Some of the advantages of using a Total Station are:

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  • High precision and accuracy
  • Faster and more efficient than traditional surveying methods
  • Can measure both angles and distances
  • Can store data for future use

5. What is GPS in surveying?

GPS, or Global Positioning System, is a satellite-based navigation system used in surveying. It uses signals from GPS satellites to determine the precise location of a point on the Earth’s surface.




6. How do you calculate the area of a plot using surveying techniques?

To calculate the area of a plot using surveying techniques, the following steps are typically followed:

  • Measure the perimeter of the plot using a measuring tape or Total Station
  • Divide the plot into smaller triangles or rectangles
  • Measure the length and width of each triangle or rectangle
  • Calculate the area of each triangle or rectangle using the formula for area
  • Add the areas of all the triangles or rectangles together to get the total area of the plot

7. What is a benchmark in surveying?

A benchmark in surveying is a permanent, stable point with a known elevation. It is used as a reference point for other elevation measurements in the area.

8. How do you find the elevation of a point using surveying techniques?

To find the elevation of a point using surveying techniques, the following steps are typically followed:

  • Set up a level near the point to be measured
  • Measure the elevation of a benchmark near the point
  • Measure the height of the level above the benchmark
  • Subtract the height of the level from the elevation of the benchmark to get the elevation of the point

9. What is the purpose of contour lines in surveying?

Contour lines in surveying are lines that connect points of equal elevation on a map. They are used to represent the shape and slope of the terrain, and to determine the location of features such as hills, valleys, and ridges.

10. What are the different types of errors in surveying?

There are several types of errors in surveying, including:

  • Systematic errors: Errors that occur consistently and can be corrected
  • Random errors: Errors that occur randomly and cannot be corrected
  • Blunders: Errors that occur due to human error or equipment malfunction
  • Gross errors: Errors that occur due to incorrect data entry or measurement

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11. What is the difference between a plane survey and a geodetic survey?

A plane survey is a survey conducted on a small area where the curvature of the Earth’s surface is negligible. A geodetic survey is a survey conducted on a large area where the curvature of the Earth’s surface must be taken into account.

12. What is the purpose of a traverse in surveying?

A traverse in surveying is a series of connected lines that are measured in order to determine the position of points on the Earth’s surface. It is used to create a detailed map of the area being surveyed.

13. How do you calculate the length of a line using surveying techniques?

To calculate the length of a line using surveying techniques, the following steps are typically followed:

  • Measure the angle between the two endpoints of the line using a theodolite or Total Station
  • Measure the distance between the two endpoints of the line using a measuring tape or Total Station
  • Use trigonometry to calculate the length of the line using the measured angle and distance

14. What is a topographic map?

A topographic map is a map that shows the shape and elevation of the Earth’s surface. It uses contour lines to represent points of equal elevation and is used in surveying to create a detailed map of an area.

15. What is the purpose of a level in surveying?

A level in surveying is used to determine the relative height of different points on the Earth’s surface. It is used to create a detailed map of the area being surveyed.




16. What is a vertical angle in surveying?

A vertical angle in surveying is the angle between a horizontal line and a line of sight that is directed upward or downward. It is used to measure the elevation of a point on the Earth’s surface.

17. What is the purpose of a prism pole in surveying?

A prism pole in surveying is used to hold a prism or reflector that reflects light back to a Total Station. It is used to measure distances and angles.

18. What is a horizontal angle in surveying?

A horizontal angle in surveying is the angle between two lines on a horizontal plane. It is used to determine the direction of one point from another.

19. What is the purpose of a plumb bob in surveying?

A plumb bob in surveying is used to determine the vertical alignment of a point. It is used to ensure that a point is directly above or below another point.

20. What is a traverse station in surveying?

A traverse station in surveying is a point on a traverse where measurements are taken. It is used to determine the position of points on the Earth’s surface.

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21. What is the purpose of a survey control network?

A survey control network is a network of reference points that are used to establish the position and elevation of points on the Earth’s surface. It is used to ensure the accuracy of survey measurements.

22. What is a benchmark in surveying?

A benchmark in surveying is a permanent, stable point with a known elevation. It is used as a reference point for other elevation measurements in the area.

23. What is a reference line in surveying?

A reference line in surveying is a line used as a reference for taking measurements. It is used to ensure the accuracy of survey measurements.

24. What is the purpose of a stadia rod in surveying?

The purpose of a stadia rod in surveying is to measure distances and elevations. It has a graduated scale on it that allows the surveyor to measure the distance from the instrument to the rod and the difference in elevation between the instrument and the rod. The stadia rod is held vertically and the surveyor looks through the telescope of the instrument to read the distance and elevation measurements. The stadia rod is an important tool for surveyors because it allows them to measure distances and elevations quickly and accurately.

25. What is a plumb line in surveying?

A plumb line in surveying is a vertical line that is used to determine the alignment of a point or structure. It is used to ensure that the point or structure is vertical.




26. What is the difference between a spot elevation and a contour line in surveying?

A spot elevation in surveying is a point on a map that represents the exact elevation of a particular point. A contour line in surveying is a line that connects points of equal elevation on a map.

27. What is a horizontal control network in surveying?

A horizontal control network in surveying is a network of reference points that are used to establish the horizontal position of points on the Earth’s surface. It is used to ensure the accuracy of survey measurements.

28. What is a vertical control network in surveying?

A vertical control network in surveying is a network of reference points that are used to establish the vertical position of points on the Earth’s surface. It is used to ensure the accuracy of survey measurements.

29. What is a traverse in surveying?

A traverse in surveying is a series of connected lines that are measured in order to determine the position of points on the Earth’s surface. It is used to create a detailed map of the area being surveyed.

30. What is the purpose of a magnetic compass in surveying?

A magnetic compass in surveying is used to determine the direction of magnetic north. It is used as a reference for taking measurements and determining the orientation of structures.

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31. What is the purpose of a survey monument?

A survey monument is a physical marker that is used to mark the location of a point on the Earth’s surface. It is used as a reference point for future surveys and construction projects.

32. What is the purpose of a survey report?

A survey report is a document that summarizes the findings of a survey. It includes information about the location and condition of structures, as well as recommendations for future work.

33. What is a GPS receiver in surveying?

A GPS receiver in surveying is an electronic device that is used to receive signals from GPS satellites. It is used to determine the position and elevation of points on the Earth’s surface.

34. What is a baseline in surveying?

A baseline in surveying is a measured line that is used as a reference for taking measurements. It is used to ensure the accuracy of survey measurements.

35. What is the difference between a level and a transit in surveying?

A level in surveying is used to determine the relative height of different points on the Earth’s surface. A transit in surveying is used to measure horizontal and vertical angles.




36. What is the purpose of a plumb in surveying?

A plumb in surveying is used to determine the vertical alignment of a point. It is used to ensure that a point is directly above or below another point.

37. What is the purpose of a prism in surveying?

A prism in surveying is used to reflect light back to a Total Station. It is used to measure distances and angles.

38. What is the purpose of a dumpy level in surveying?

A dumpy level in surveying is used to determine the relative height of different points on the Earth’s surface. It is used to create a detailed map of the area being surveyed.

39. What is the difference between a closed traverse and an open traverse in surveying?

In surveying, a traverse is a series of connected survey lines that are used to determine the position of points on the Earth’s surface. The traverse can be either closed or open, depending on its configuration.

40. What is the difference between a transit and a theodolite in surveying?

A transit in surveying is used to measure horizontal and vertical angles, while a theodolite is used to measure only horizontal angles.

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41. What is a level loop in surveying?

A level loop in surveying is a series of measurements taken around a closed circuit. It is used to determine the difference in elevation between two points.

42. What is the purpose of a level book in surveying?

A level book in surveying is used to record the measurements taken during a survey. It includes information about the location and condition of structures, as well as recommendations for future work.

43. What is a height of instrument in surveying?

A height of instrument in surveying is the height of a level above a benchmark. It is used to determine the elevation of points on the Earth’s surface.

44. What is the purpose of a vertical curve in surveying?

A vertical curve in surveying is used to connect two grades of different elevations. It is used to create a smooth transition between the two grades.

45. What is a meridian in surveying?

A meridian in surveying is a line that connects the North and South Poles. It is used as a reference for taking measurements and determining the orientation of structures.




46. What is a setback distance in surveying?

A setback distance in surveying is the distance between a structure and the property line. It is used to ensure that structures are located within the boundaries of the property.

47. What is a traverse adjustment in surveying?

A traverse adjustment in surveying is the process of adjusting the measured distances and angles in a traverse to ensure that they are accurate.

48. What is the purpose of a slope stake in surveying?

A slope stake in surveying is used to mark the location of a point on a slope. It is used to ensure that structures are built on a level surface.

49. What is a map projection in surveying?

A map projection in surveying is a method of representing the Earth’s curved surface on a flat map. There are several different types of map projections, each with their own advantages and disadvantages.

50. What is a plumb rule in surveying?

A plumb rule in surveying is used to measure vertical distances. It is used to ensure that a point is directly above or below another point.

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51. What is a profile in surveying?

A profile in surveying is a diagram that shows the vertical cross-section of the Earth’s surface. It is used to create a detailed map of an area.

52. What is a datum in surveying?

A datum in surveying is a reference point or surface used to measure elevations. It is used as a reference for taking measurements and determining the elevation of points on the Earth’s surface.

53. What is a break point in surveying?

A break point in surveying is a point where the slope of the terrain changes. It is used to create a detailed map of an area.

54. What is a reference mark in surveying?

A reference mark in surveying is a mark that is used to mark the location of a point on the Earth’s surface. It is used as a reference point for future surveys and construction projects.

55. What is a traverse table in surveying?

A traverse table in surveying is a table that is used to calculate the coordinates of points on a traverse. It includes information about the angles and distances measured in the traverse.



56. What is a total error in surveying?

A total error in surveying is the difference between the true value of a measurement and the measured value. It includes both systematic and random errors.

57. What is a baseline measurement in surveying?

A baseline measurement in surveying is the distance between two points on a baseline. It is used as a reference for taking measurements and determining the position of points on the Earth’s surface.

58. What is a satellite surveying system?

A satellite surveying system is a system that uses satellites to determine the position and elevation of points on the Earth’s surface. Examples include GPS and GLONASS.

59. What is the purpose of a data collector in surveying?

A data collector in surveying is used to store and manage survey data. It is used to ensure that data is accurate and organized.

60. What is a traverse closure in surveying?

A traverse closure in surveying is the difference between the sum of the interior angles in a traverse and the total number of right angles in the traverse. It is used to ensure the accuracy of survey measurements.

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61. What is a hypsometric curve in surveying?

A hypsometric curve in surveying is a graph that shows the distribution of elevations in an area. It is used to create a detailed map of the area being surveyed.

62. What is a boundary survey in surveying?

A boundary survey in surveying is a survey conducted to determine the boundaries of a piece of land. It is used to ensure that structures are located within the boundaries of the property.

63. What is a setback line in surveying?

A setback line in surveying is a line that marks the distance between a structure and the property line. It is used to ensure that structures are located within the boundaries of the property.

64. What is the purpose of a horizontal curve in surveying?

A horizontal curve in surveying is used to connect two lines of different direction. It is used to create a smooth transition between the two lines.

65. What is a distance measurement in surveying?

A distance measurement in surveying is the process of measuring the distance between two points on the Earth’s surface. It is used to determine the position of points on the Earth’s surface.




66. What is an azimuth in surveying?

An azimuth in surveying is the horizontal angle between a reference line and a line to a point of interest. It is used to determine the direction of a point from a reference line.

67. What is a reference direction in surveying?

A reference direction in surveying is a line used as a reference for taking measurements. It is used to ensure the accuracy of survey measurements.

68. What is a benchmark survey in surveying?

A benchmark survey in surveying is a survey conducted to determine the elevations of benchmarks. It is used as a reference point for other elevation measurements in the area.

69. What is a precision level in surveying?

A precision level in surveying is a level that is used to determine the relative height of different points on the Earth’s surface with a high degree of accuracy. It is used to create a detailed map of the area being surveyed.

70. What is a triangulation in surveying?

A triangulation in surveying is a method of determining the position of points on the Earth’s surface by measuring the angles between them. It is used to create a detailed map of the area being surveyed.

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71. What is a control point in surveying?

A control point in surveying is a point that is used as a reference for taking measurements. It is used to ensure the accuracy of survey measurements.

72. What is a leveling staff in surveying?

A leveling staff in surveying is a graduated rod that is used to measure elevations. It is used to create a detailed map of the area being surveyed.

73. What is a digital level in surveying?

A digital level in surveying is a level that uses digital technology to measure elevations. It is used to create a detailed map of the area being surveyed.

74. What is a geodetic datum in surveying?

A geodetic datum in surveying is a reference surface used to measure positions on the Earth’s surface. It includes information about the Earth’s shape and size, as well as its orientation in space.

75. What is a global navigation satellite system in surveying?

A global navigation satellite system in surveying is a system that uses a network of satellites to determine the position and elevation of points on the Earth’s surface. Examples include GPS and GLONASS.




76. What is a property survey in surveying?

A property survey in surveying is a survey conducted to determine the boundaries and characteristics of a piece of land. It is used to ensure that structures are located within the boundaries of the property.

77. What is a robotic total station in surveying?

A robotic total station in surveying is a Total Station that is controlled remotely. It is used to measure distances and angles with a high degree of accuracy.

78. What is a traverse point in surveying?

A traverse point in surveying is a point on a traverse where measurements are taken. It is used to determine the position of points on the Earth’s surface.

79. What is the purpose of a surveying instrument calibration in surveying?

A surveying instrument calibration in surveying is the process of adjusting surveying instruments to ensure that they are accurate. It is used to ensure the accuracy of survey measurements.

80. What is a vertical angle in surveying?

A vertical angle in surveying is the angle between a horizontal line and a line of sight to a point of interest. It is used to determine the elevation of a point.

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81. What is a traverse line in surveying?

A traverse line in surveying is a line that connects two or more traverse points. It is used to determine the position of points on the Earth’s surface.

82. What is a traverse network in surveying?

A traverse network in surveying is a network of connected traverse lines. It is used to create a detailed map of the area being surveyed.

83. What is a traverse station in surveying?

A traverse station in surveying is a point on a traverse where measurements are taken. It is used to determine the position of points on the Earth’s surface.

84. What is a vertical curve in surveying?

A vertical curve in surveying is a curve that is used to connect two grades of different elevations. It is used to create a smooth transition between the two grades.

85. What is a tacheometry in surveying?

Tacheometry in surveying is a method of measuring distances and elevations using an instrument known as a tacheometer.




86. What is a plane table survey in surveying?

A plane table survey in surveying is a method of surveying where a flat table is used to create a detailed map of the area being surveyed.

87. What is a photogrammetry in surveying?

Photogrammetry in surveying is the science of making measurements from photographs. It is used to create detailed maps of an area.

88. What is a trilateration in surveying?

Trilateration in surveying is a method of determining the position of points on the Earth’s surface by measuring the distances between them. It is used to create a detailed map of the area being surveyed.

89. What is a least squares adjustment in surveying?

A least squares adjustment in surveying is a method of adjusting survey measurements to ensure that they are accurate. It is used to ensure the accuracy of survey measurements.

90. What is a leveling circuit in surveying?

A leveling circuit in surveying is a series of leveling measurements taken around a closed circuit. It is used to determine the difference in elevation between two points.

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91. What is a laser level in surveying?

A laser level in surveying is a level that uses laser technology to measure elevations. It is used to create a detailed map of the area being surveyed.

92. What is a slope in surveying?

A slope in surveying is the steepness of a terrain. It is used to create a detailed map of an area.

93. What is a coordinate system in surveying?

A coordinate system in surveying is a system used to determine the position of points on the Earth’s surface. It is used to ensure the accuracy of survey measurements.

94. What is a stadia rod in surveying?

A stadia rod in surveying is a rod used to measure distances and elevations. It is used to create a detailed map of the area being surveyed.

95. What is a satellite positioning system in surveying?

A satellite positioning system in surveying is a system that uses satellites to determine the position and elevation of points on the Earth’s surface. Examples include GPS and GLONASS.




96. What is a survey line in surveying?

A survey line in surveying is a line that connects two or more survey points. It is used to determine the position of points on the Earth’s surface.

97. What is a base map in surveying?

A base map in surveying is a map that is used as a reference for taking measurements. It includes information about the location and characteristics of features in the area being surveyed.

98. What is a vertical control point in surveying?

A vertical control point in surveying is a point that is used as a reference for taking elevation measurements. It is used to ensure the accuracy of survey measurements.

99. What is a geoid in surveying?

A geoid in surveying is an equipotential surface that represents the Earth’s mean sea level. It is used as a reference surface for measuring elevations.

100. What is a topographic map in surveying?

A topographic map in surveying is a map that shows the surface features of an area in detail. It includes information about the elevation and slope of the terrain, as well as the location of structures and other features.

101. What is a control survey in surveying?

A control survey in surveying is a survey conducted to determine the positions of control points. It is used as a reference for taking measurements in future surveys.

102. What is a plane surveying in surveying?

A plane surveying in surveying is a type of surveying where the Earth’s curvature is not taken into account. It is used for small-scale surveys.

103. What is a cadastral survey in surveying?

A cadastral survey in surveying is a survey conducted to determine the boundaries of land ownership. It is used to create legal documents and maps for property owners.

104. What is a field book in surveying?

A field book in surveying is a book used to record measurements taken during a survey. It includes information about the location and characteristics of features in the area being surveyed, as well as calculations and notes.

105. What is a traverse table in surveying?

A traverse table in surveying is a table that is used to calculate the coordinates of points on a traverse. It includes information about the angles and distances measured in the traverse.



Conclusion

Our comprehensive list of the top 105 interview questions and answers on the surveying subject serves as an invaluable resource for aspiring and experienced professionals in civil engineering. By familiarizing yourself with these questions, you can gain a deeper understanding of the key concepts and techniques involved in surveying, which will ultimately help you excel in your interviews and career. Whether you are a recent graduate seeking your first job or an experienced engineer looking to advance in your profession, this compilation of surveying questions will equip you with the knowledge and confidence to tackle any interview scenario. Remember, practice makes perfect, so take the time to review these questions and answers and continue to build your expertise in the surveying domain. Good luck!




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