1. A diagonal scale is used to read ............ dimensions.

2. The distance between steps for measuring downhill to obtain better accuracy ............

3. When centers of arcs lie on opposite sides of common tangent at junction of two curves, it is known as a ............

4. A scale which has a common representative fraction, but read in different measures, is called a ............

5. An average length of a pace is ............

6. Accuracy of elevation of various points obtained from contour map is limited to ............

7. Ranging is process of ............

8. The true meridian of a place is line in which earth's surface in intersected by a plane through ............

9. For preparation of contour plan for a route survey ............

10. If whole circle bearing of a line is 120°, its reduced bearing is ............