1.
Different grades are joined together by a ________________?

2.
If the focal length of the object glass is 25 cm and the distance from object glass to the trunnion axis is 15 cm, the additive constant is_______________?

3.
If the intercept on a vertical staff is ob-served as 0.75 m from a tacheometer, the horizontal distance between tacheometer and staff station is________________?

4.
Overturning of vehicles on a curve can be avoided by using ________________?

5.
Subtense bar is an instrument used for _______________?

6.
The angle between the prolongation of the preceding line and the forward line of a traverse is called ________________?

7.
After fixing the plane table to the tripod, the main operations which are needed at each plane table station are ______________ ?
1. levelling
2. orientation
3. centering
The correct sequence of these operations is

8.
The methods used for locating the plane table stations are_______________?
1. radiation
2. traversing
3.intersection
4. resection
The correct answer is

9.
In the cross-section method of indirect contouring, the spacing of cross-sections depends upon_____________?
1. contour interval
2. scale of plan
3. characteristics of ground
The correct answer is ?

10.
A metallic tape is made of ______________ ?