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This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 11

Q1 | A tie line in a chain surveying
  • checks the accuracy of the framework
  • enables the surveyor to locate the interior details which are far away from the main chain lines
  • fixes up the directions of all other lines
  • all of the above
Q2 | Generally, the deflection angle is measured twice, once with the telescope normal and once with the telescope reversed.
  • TRUE
  • FALSE
Q3 | Contour lines cross ridge or valley lines at
  • 30?
  • 45?
  • 60?
  • 90?
Q4 | The instrument used for setting out an offset at a right angle, is called
  • open cross-staff
  • french cross-staff
  • adjustable cross-staff
  • optical square
Q5 | The fundamental principle of surveying is to work from the
  • whole to the part
  • part to the whole
  • lower level to higher level
  • higher level to lower level
Q6 | In levelling, the effect of refraction may be taken as
  • one-half
  • one-third
  • one-fifth
  • one-seventh
Q7 | The latitude of a traverse line is obtained by multiplying its length with the cosine of its reduced bearing.
  • Correct
  • Incorrect
Q8 | In a whole circle system, the bearing of a line is measured
  • always clockwise from the south point of the reference meridian towards the line right round the circle
  • clockwise or anticlockwise from the east or west whichever is nearer the line towards north or south
  • clockwise or anticlockwise from the north or south whichever is nearer the line towards east or west
  • none of the above
Q9 | The horizontal angle between the true meridian and magnetic meridian is known as
  • true bearing
  • dip
  • local attraction
  • magnetic declination
Q10 | If the fore bearing of a line is
  • 36? 15'
  • 126? 15'
  • 143? 45'
  • 216? 15'
Q11 | When the magnetic bearing of the sun at noon is 185? 20', the magnetic declination will be
  • 5? 20' east
  • 5? 20' west
  • 5? 20' north
  • 5? 20' south
Q12 | The optical square is used to measure angles by
  • refraction
  • reflection
  • double refraction
  • double reflection
Q13 | The multiplying constant for the tacheometer is, generally, kept as
  • 20
  • 40
  • 60
  • 100
Q14 | The projection of a traverse line on a line parallel to the meridian is known as
  • latitude
  • departure
  • bearing
Q15 | Direct ranging is possible only when the end stations are
  • close to each other
  • not more than 100 m apart
  • mutually intervisible
  • located at highest points in the sea
Q16 | The index glass in an optical square is
  • wholly silvered
  • wholly unsilvered
  • one-fourth silvered and three-fourth unsilvered
  • half silvered and half unsilvered
Q17 | The method of intersection in plane tabling is commonly used for
  • locating the distant and inaccessible points
  • locating the broken boundaries
  • locating the points which may be used subsequently as the instrument stations
  • all of the above
Q18 | A scale which has a common representative fraction, but read in different measures, is called a
  • plain scale
  • diagonal scale
  • shrunk scale
  • comparative scale
Q19 | When the position of a point is to be fixed most accurately, it should be located by oblique offsets.
  • TRUE
  • FALSE
Q20 | In levelling, the correction for combined curvature and refraction (in metres) is equal to
  • 0.00785 D2
  • 0.0785 D2
  • 0.0112 D2
  • 0.0673 D2
Q21 | In locating the details of inaccessible objects visible atleast from transit stations, the method used is
  • by angles and distances from the same station
  • by angle from one station and distance from the other station
  • by distances from two different stations
  • none of the above
Q22 | In geodetic surveying, the curvature of the earth is taken into consideration.
  • Agree
  • Disagree
Q23 | The height of instrument is the height of the centre of the telescope above the ground where the level is set up.
  • TRUE
  • FALSE
Q24 | When the image formed by the objective is not situated in the plane of cross-hairs,
  • the cross-hairs should be adjusted
  • the eye-piece should be focussed
  • the objective should be focussed
  • the parallex should be removed
Q25 | The magnitude of super-elevation depends upon the speed of the vehicle and the radius of the curve
  • Correct
  • Incorrect