### Surveying Set 6

This set of Surveying Multiple Choice Questions & Answers (MCQs) focuses on Surveying Set 6

Q1 | Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other cultural details, are known as
• city surveys
• topographical surveys
• guide map surveys
Q2 | Magnetic declination at any place
• remains constant
• does not remain constant
• fluctuates
• changes abruptly.
Q3 | The method of finding out the difference in elevation between two points for eliminating the effect of curvature and refraction, is
• reciprocal levelling
• precise levelling
• differential levelling
• flying levelling
Q4 | The horizontal angle between true meridian and magnetic meridian, is known
• bearing
• magnetic declination
• dip
• convergence.
Q5 | Ranging in chain survey means
• looking at an isolated point not on the line
• establishing an intermediate point on the line
• determining the distance between end points
• determining the offset distance
Q6 | Reduced bearing of a line is an angle between
• north line and given line measured clockwise
• north line and given line measured anticlockwise
• east or west and the given line
• given line and the part of the meridian whether N end or S end, lying adjacent to it.
Q7 | The magnetic meridian at any point, is the direction indicated by a freely suspended
• magnetic needle
• and properly balanced magnetic needle
• properly balanced and uninfluenced by local attractive force
• magnetic needle over an iron pivot.
Q8 | The zero of the graduated circle of a prismatic compass is located at
• north end
• east end
• south end
• west end.
Q9 | Profile levelling is usually done for determining
• contours of an area
• capacity of a reservoir
• elevations along a straight line
• boundaries of property
Q10 | The line of collimation method of reduction of levels, does not provide a check on
• intermediate sights
• fore sights
• back sights
• reduced levels.
Q11 | A well-conditioned triangle has no angle less than
• 20°
• 30°
• 45°
• 60°.
Q12 | Check lines (or proof lines) in Chain Surveying, are essentially required
• to plot the chain lines
• to plot the offsets
• to indicate the accuracy of the survey work
• to increase the out-turn
Q13 | The operation of revolving a plane table about its vertical axis so that all lines on the sheet become parallel to corresponding lines on the ground, is known
• levelling
• centering
• orientation
• setting.
Q14 | There are two stations A and B. Which of the following statements is correct :
• the fore bearing of AB is AB
• the back bearing of AB is BA
• the fore and back bearings of AB differ by 180°
• all the above.
Q15 | The boundary of water of a still lake, represents
• level surface
• horizontal surface
• contour line
• a concave surface.
Q16 | The imaginary line passing through the intersection of cross hairs and the optical center of theobjective, is known as
• line of sight
• line of collimation
• axis of the telescope
• none of these.
Q17 | The rise and fall method of reduction of levels, provides a check on
• back sights
• fore sights
• intermediate sights
• all of these.
Q18 | The constant vertical distance between two adjacent contours, is called
• horizontal interval
• horizontal equivalent
• vertical equivalent
• contour interval
Q19 | The line normal to the plumb line is known as
• horizontal line
• level line
• datum line
• vertical line.
Q20 | Contours of different elevations may cross each other only in the case of
• an overhanging cliff
• a vertical cliff
• an inclined plane.
Q21 | In plan scale is …
• 1cm = 10 m or < 10 m
• >10 m
• none
• all
Q22 | If area is less than 250 km2 which method is used?
• Geodetic survey
• Plane Survey
• none
• all
Q23 | Scale can be represent by
• Engineers scale
• RF
• Graphical Scale
• All of above
Q24 | True bearing of a line = magnetic bearing + magnetic declination If declination is towards………
• East
• West
• none
• all
Q25 | Is a known as a marking pin?
• Arrow
• Peg
• none
• all