# Surveying Set 4

This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 4

Q1 | Closed contours, with higher value inwards, represent a
• depression
• hillock
• plain surface
• none of the above
Q2 | Contour interval is
• the vertical distance between two con-secutive contours
• the horizontal distance between two consecutive contours
• the vertical distance between two points on same contour
• the horizontal distance between two points on same contour
Q3 | Benchmark is established by
• hypsometry
• barometric levelling
• spirit levelling
• trigonometrical levelling
Q4 | The type of surveying which requires least office work is
• tacheomefry
• trigonometrical levelling
• plane table surveying
• theodolite surveying
Q5 | Intersection method of detailed plotting is most suitable for
• forests
• urban areas
• hilly areas
• plains
Q6 | Detailed plotting is generally done by
• traversing
• resection
• all of the above
Q7 | Three point problem can be solved by
• Tracing paper method
• Bessels method
• Lehman’s method
• all of the above
Q8 | The size of a plane table is
• 750 mm x 900 mm
• 600 mm x 750 mm
• 450 mm x 600 mm
• 300 mm x 450 mm
Q9 | The process of determining the locations of the instrument station by drawing re sectors from the locations of the known stations is called
• intersection
• resection
• traversing
Q10 | The instrument used for accurate centering in plane table survey is
• spirit level
• plumbing fork
• trough compass
Q11 | The two point problem and three point problem are methods of
• resection
• orientation
• traversing
• resection and orientation
Q12 | The resection by two point problem as compared to three point problem
• gives more accurate problem
• takes less time
• requires more labour
• none of the above
Q13 | The methods used for locating the plane table stations arei) radiationii) traversingiii) intersectioniv) resectionThe correct answer is
• (i) and (ii)
• (iii) and (iv)
• (ii) and (iv)
• (i) and (iii)
Q14 | After fixing the plane table to the tripod, the main operations which are needed at each plane table station arei) levellingii) orientationiii) centeringThe correct sequence of these operations is
• (i), (ii),.(iii)
• (i), (iii), (ii)
• (iii), (i), (ii)
• (ii), (Hi), (i)
Q15 | Bowditch rule is applied to
• an open traverse for graphical adjustment
• a closed traverse for adjustment of closing error
• determine the effect of local attraction
• none of the above
Q16 | If in a closed traverse, the sum of the north latitudes is more than the sum of the south latitudes and also the sum of west departures is more than the sum of the east departures, the bearing of the closing line is in the
Q17 | If the reduced bearing of a line AB is N60°W and length is 100 m, then the latitude and departure respectively of the line AB will be
• +50 m, +86.6 m
• +86.6 m, -50 m
• +50m, -86.6 m
• +70.7 m,-50 m
Q18 | The angle between the prolongation of the preceding line and the forward line of a traverse is called
• deflection angle
• included angle
• direct angle
• none of the above
Q19 | Transit rule of adjusting the consecutive coordinates of a traverse is used where
• linear and angular measurements of the traverse are of equal accuracy
• angular measurements are more accurate than linear measurements
• linear measurements are more accurate than angular measurements
• all of the above
Q20 | Which of the following methods of theodolite traversing is suitable for locatingthe details which are far away from transit stations ?
• measuring angle and distance from one transit station
• measuring angles to the point from at least two stations
• measuring angle at one station and distance from other
• measuring distance from two points on traverse line
Q21 | Subtense bar is an instrument used for
• levelling
• measurement of horizontal distances in plane areas
• measurement of horizontal distances in undulated areas
• measurement of angles
Q22 | Horizontal distances obtained by thermometric observations
• require slope correction
• require tension correction
• require slope and tension corrections
• do not require slope and tension corrections
Q23 | Hydrographic surveys deal with the mapping of
• large water bodies
• heavenly bodies
• mountainous region
• canal system
Q24 | Pick up the correct statement from the following :
• the eyepiece plays no part in defining the line of sight
• the diaphragm plays no part in defining the line of sight
• the optical center of the objective plays no part in defining the line of sight
• none of these.
Q25 | The real image of an object formed by the objective, must lie
• in the plane of cross hairs
• at the centre of the telescope
• at the optical centre of the eye-piece
• anywhere inside the telescope