1.
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

2.
The number of horizontal cross wires in a stadia diaphragm is

3.
Total latitude of a point is positive if it lies

4.
Hydrographic surveys deal with the mapping of

5.
One of the tacheometric constants is additive, the other constant, is

6.
Accuracy of 'fix' by two point problem, is

7.
True meridians are generally preferred to magnetic meridians because

8.
For the construction of highway (or railway)

9.
Magnetic bearing of a survey line at any place

10.
Perpendicularity of an offset may be judged by eye, if the length of the offset is

11.
Greater accuracy in linear measurements, is obtained by

12.
From any point on the surface with a given inclination

13.
Angles to a given pivot station observed from a number of traverse stations when plotted, the lines to the pivot station intersect at a common point

14.
Reduced bearing of a line is an angle between

15.
The combined effect of curvature and refraction over a distance L kilometers is

16.
Number of links per metre length of a chain are

17.
The line normal to the plumb line is known as

18.
Planimeter is used for measuring

19.
If the chain line which runs along N-S direction is horizontal and the ground in E-W direction is sloping

20.
Determining the difference in elevation between two points on the surface of the earth, is known as

21.
Contours of different elevations may cross each other only in the case of

22.
In case of a direct vernier scale

23.
If the angular measurements of a traverse are more precise than its linear measurements, balancing of the traverse, is done by

24.
Pentagraph is used for

25.
The branch of surveying in which both horizontal and vertical positions of a point, are determined by making instrumental observations, is known

26.
n levelling operation

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most important question

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