30 real Surveying questions from the Civil Core bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.
1. What is Working from whole to part?
Junior
A.establish a precise control framework first and fill in details within it, so errors stay local instead of accumulating
B.closing error of a traverse is distributed to each leg in proportion to its length, assuming angular and linear measurements are equally precise
C.whole circle bearing runs 0 to 360° clockwise from north; reduced bearing is measured from north or south towards east or west, never exceeding 90°
D.electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
A.Working from whole to part — establish a precise control framework first and fill in details within it, so errors stay local instead of accumulating
B.Working from whole to part — closing error of a traverse is distributed to each leg in proportion to its length, assuming angular and linear measurements are equally precise
C.Working from whole to part — reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
D.Working from whole to part — whole circle bearing runs 0 to 360° clockwise from north; reduced bearing is measured from north or south towards east or west, never exceeding 90°
5. Which term means: "whole circle bearing runs 0 to 360° clockwise from north; reduced bearing is measured from north or south towards east or west, never exceeding 90°"?
A.Whole circle vs reduced bearing — electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
B.Whole circle vs reduced bearing — combined levelling correction of 0.0673 d² metres with d in kilometres, subtracted from staff readings on long sights
C.Whole circle vs reduced bearing — whole circle bearing runs 0 to 360° clockwise from north; reduced bearing is measured from north or south towards east or west, never exceeding 90°
D.Whole circle vs reduced bearing — reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
8. Which term means: "reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight"?
A.Height of instrument method — electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
B.Height of instrument method — real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out
C.Height of instrument method — reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
D.Height of instrument method — establish a precise control framework first and fill in details within it, so errors stay local instead of accumulating
11. Which term means: "lines of equal elevation that never cross except at an overhanging cliff, close spacing meaning steep ground and equal spacing uniform slope"?
A.Characteristics of contours — electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
B.Characteristics of contours — lines of equal elevation that never cross except at an overhanging cliff, close spacing meaning steep ground and equal spacing uniform slope
C.Characteristics of contours — check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
D.Characteristics of contours — establish a precise control framework first and fill in details within it, so errors stay local instead of accumulating
A.Local attraction — deflection of the compass needle by nearby iron or current, detected when fore and back bearings of a line differ from 180°
B.Local attraction — electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
C.Local attraction — reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
D.Local attraction — whole circle bearing runs 0 to 360° clockwise from north; reduced bearing is measured from north or south towards east or west, never exceeding 90°
A.electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
B.check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
C.combined levelling correction of 0.0673 d² metres with d in kilometres, subtracted from staff readings on long sights
D.reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
A.Curvature and refraction correction — establish a precise control framework first and fill in details within it, so errors stay local instead of accumulating
B.Curvature and refraction correction — combined levelling correction of 0.0673 d² metres with d in kilometres, subtracted from staff readings on long sights
C.Curvature and refraction correction — whole circle bearing runs 0 to 360° clockwise from north; reduced bearing is measured from north or south towards east or west, never exceeding 90°
D.Curvature and refraction correction — check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
A.real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out
B.electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
C.check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
D.closing error of a traverse is distributed to each leg in proportion to its length, assuming angular and linear measurements are equally precise
20. Which term means: "electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly"?
A.Total station — combined levelling correction of 0.0673 d² metres with d in kilometres, subtracted from staff readings on long sights
B.Total station — reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
C.Total station — deflection of the compass needle by nearby iron or current, detected when fore and back bearings of a line differ from 180°
D.Total station — electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
A.real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out
B.check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
C.combined levelling correction of 0.0673 d² metres with d in kilometres, subtracted from staff readings on long sights
D.deflection of the compass needle by nearby iron or current, detected when fore and back bearings of a line differ from 180°
23. Which term means: "real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out"?
A.RTK GNSS — electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
B.RTK GNSS — real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out
C.RTK GNSS — deflection of the compass needle by nearby iron or current, detected when fore and back bearings of a line differ from 180°
D.RTK GNSS — reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
A.check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
B.establish a precise control framework first and fill in details within it, so errors stay local instead of accumulating
C.combined levelling correction of 0.0673 d² metres with d in kilometres, subtracted from staff readings on long sights
D.closing error of a traverse is distributed to each leg in proportion to its length, assuming angular and linear measurements are equally precise
26. Which term means: "closing error of a traverse is distributed to each leg in proportion to its length, assuming angular and linear measurements are equally precise"?
A.Bowditch rule — electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
B.Bowditch rule — real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out
C.Bowditch rule — closing error of a traverse is distributed to each leg in proportion to its length, assuming angular and linear measurements are equally precise
D.Bowditch rule — deflection of the compass needle by nearby iron or current, detected when fore and back bearings of a line differ from 180°
A.real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out
B.electronic theodolite with an EDM that measures slope distance and angles to a prism and computes coordinates of the point directly
C.check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
D.reduced level of the line of sight equals benchmark level plus backsight, and each point is that height minus its foresight or intermediate sight
29. Which term means: "check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences"?
A.Two-peg test — deflection of the compass needle by nearby iron or current, detected when fore and back bearings of a line differ from 180°
B.Two-peg test — real-time kinematic positioning where a base station broadcasts corrections to a rover, giving centimetre-level accuracy for setting out
C.Two-peg test — lines of equal elevation that never cross except at an overhanging cliff, close spacing meaning steep ground and equal spacing uniform slope
D.Two-peg test — check of a level's collimation error by reading a staff from midway between two pegs and again from near one peg, comparing the two height differences
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