# Civil Engineering - Surveying

Exercise : Surveying - Section 7

31.

If + 0.8% grade meets - 0.7% grade and the rate of change of grade for 30 m distance is 0.05, the length of the vertical curve will be

32.

The included angles of a theodolite traverse, are generally measured

33.

Location of contour gradient for a high way is best set out from

34.

If

*h*_{1}and*h*_{2}are the differences in level between ground and the formation levels,*m*is the slope of the sloping sides.*D*is the distance between the cross sections then, prismoidal correction for a level section is35.

In a telescope the object glass of focal length 14 cm, is located at 20 cm from the diaphragm. The focussing lens is midway between them when a staff 16.50 m away is focussed. The focal length of the focussing lens, is

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