1. The position of a point can be fixed more accurately by
2. If the magnetic bearing of the sun at a place at noon in southern hemisphere is 167⁰, the magnetic declination at that place is
3. The process of turning the telescope about the vertical axis in horizontal plane is known as
4. A series of closely spaced contour lines represents a
5. The two point problem and three point problem are methods of
6. The shape of the vertical curve generally provide is
7.Numbers of links in a 30 m metric chain is
8. If the fore bearing of a line AB is 35 and that of line BC 15°, then the included angle between the lines is
9.Size of a theodolite is specified by
10. Which of the following methods of plane table surveying is used to locate the position of an inaccessible point?
11. The multiplying constant of a theodolite is
12. Agonic line is the line joining points having
13.An invar tape is made of an alloy of
14.The R.L of the point A which is on the floor is 100 m and back sight reading on A is 2.455 m. if the foresight reading on the point B which on the ceiling is 2.745 m, the R.L. of point B will be
16.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
17.The number of horizontal cross wires in a stadia diaphragm is
18. The representative fraction means 1/2500 that the scale is
19.A line joining some fixed points on the main survey lines, is called a
20.A line joining the optical center of the object glass and the center of the eye piece, is known as
21.In precision theodolite traverse for roads and railways, the angular error of closure should not exceed
22.In levelling, the correction for curvature (in metres) is equal to
23. When several contours coincide it indicates
24. If the fore bearing of a line N25°35'W its back bearing will be
25.At the equator, the amount of dip is
26. The line joining the points having the same elevation above the datum surface is called a
27. When several contours coincide, it indicates
28. Contour lines cross ridge or valley lines at
29.The operation of turning the table so that all the lines on the paper are parallel to the corresponding lines on the ground is called
30. The total length of the curve is equal to
31.A curve of varying radius is known as
32. The shift of a curve is equal to
33. If the fore bearing of a line is 36' 15', its back bearing will be
34. The process of turning the telescope of a theodolite over its supporting axis through 180 in a vertical plane is called
35. The contour interval depends upon the
36. The method of plane tabling commonly used for establishing the instrument stations only, is a
37. When the centres of the arcs lie on the opposite sides of the common tangent at the junction of the two curves it is known as a
38. The error in measured length due to sag of chain or tape is known as
39. If the fore bearing of a line is N 26° 35' W its back bearing will be
40. The latitude and departure of a traverse line are both positive when the circle bearing of the line lies in the
41.In leveling the correction for combined curvature and refraction (in meters) is equal to
42. The contour lines can cross one another on map only in the case of
43. When the length of a chord is less than the peg interval, it is known as
44. The angle between two plane mirrors of optical square is
45. A relatively fixed point of known elevation above datum is called
