27. What is surveying?
A) The art of measuring land and mapping the physical features.
B) The study of geology.
C) The process of land grading.
D) The measurement of time.
(A)
The art of measuring land and mapping the physical features.
28. Which instrument is primarily used for measuring horizontal and vertical angles?
A) Total Station
B) Theodolite
C) Dumpy Level
D) Chain
(A) Total Station & (B) Theodolite
29. In chain surveying, the distance measured directly on the ground is called:
A) Vertical distance
B) Slant distance
C) Horizontal distance
D) Total distance
(C) Horizontal distance
30. What is contouring in surveying?
A) The process of measuring distances.
B) Connecting points of equal elevation.
C) The measurement of angles.
D) The use of a theodolite.
(B) Connecting points of equal elevation.
31. In surveying, a “benchmark” refers to:
A) A reference point of known elevation.
B) The initial point of a survey.
C) The highest point in a survey area.
D) A temporary reference point.
(A) A reference point of known elevation.
32. What is a “closing error” in traversing?
A) The total distance measured
B) The difference between the start and endpoint
C) The angle error in measurement
D) The error in elevation
(B) The difference between the start and endpoint.
33. What is the main purpose of a total station in surveying?
A) Measuring angles and distances
B) Only measuring angles
C) Only measuring distances
D) Recording data for mapping
(A) Measuring angles and distances.
34. The primary measurement unit used in surveying is:
A) Meter
B) Yard
C) Foot
D) Kilometer
(A) Meter
35. In chain surveying, the main stations are:
A) The midpoint of lines
B) Endpoints of survey lines
C) Points of equal elevation
D) The starting point only
(B) Endpoints of survey lines.
36. What is the primary purpose of a leveling staff?
A) To read elevations
B) To measure angles
C) To calculate distances
D) To hold survey instruments
(A) To read elevations.
37. Which surveying type is commonly used for mapping extensive areas like countries or continents?
A) Cadastral survey
B) Geodetic survey
C) Plane surveying
D) Hydrographic survey
(B) Geodetic survey
38. The process of transferring the position of points from one level to another is known as:
A) Leveling
B) Contouring
C) Profiling
D) Slope mapping
(A) Leveling.
39. What is resection in surveying?
A) Finding unknown points using known coordinates
B) Measuring angles to a known point
C) Establishing a base for measurements
D) Finding elevations of a point
(A) Finding unknown points using known coordinates.
40. Which surveying instrument has a telescope that can be rotated in both horizontal and vertical planes?
A) Theodolite
B) Level
C) Compass
D) Transit
(A) Theodolite.
41. Which term is used for the imaginary line joining points of equal elevation?
A) Profile line
B) Contour line
C) Reference line
D) Survey line
(B) Contour line.
42. Which instrument is primarily used for leveling?
A) Total Station
B) Theodolite
C) Dumpy Level
D) Electronic Level
(C) Dumpy Level.
43. What is the purpose of a GPS in surveying?
A) To measure angles
B) To measure distances
C) To determine locations
D) To establish benchmarks
(C) To determine locations
44. Which of the following is not a type of survey?
A) Land survey
B) Marine survey
C) Environmental survey
D) Thermal survey
(D) Thermal survey.
45.In surveying, the height of the instrument is measured from the:
A) Ground level
B) Reference level
C) Benchmark
D) Survey line
A) Ground level.
46. A horizontal angle measured clockwise from a meridian is known as:
A) Bearing
B) Azimuth
C) Direction
D) Gradient
(B) Azimuth.
47. Which survey is concerned with property boundaries?
A) Topographic survey
B) Cadastral survey
C) Hydrographic survey
D) Geodetic survey
(B) Cadastral survey.
48. Which device is used to measure the horizontal distance in the field?
A) Chain
B) Level
C) Theodolite
D) GPS
(A) Chain.
49. The main purpose of geodetic surveying is to:
A) Establish property boundaries
B) Map the Earth’s surface
C) Measure large areas with precision
D) Provide data for urban planning
(C) Measure large areas with precision.
50. In leveling, what is the difference between the back sight and foresight?
A) Back sight is taken on a benchmark, foresight on a new point.
B) Both are taken at the same point.
C) Foresight is always larger than back sight.
D) Back sight is less important than foresight.
(A) Back sight is taken on a benchmark, foresight on a new point