Surveying Practice Test 3

1. Fly levelling is another name of _____

2. For every flat ground, a small contour interval is necessary.

3. Which of the following is an instrumental error?

4. Which of the following type of levelling is necessary across a river ravine or any obstacle requiring a long site between two points?

5. The operation of forming or bringing the clear image of the object in the plane of cross hairs is known as ______

6. The contour interval should be inversely proportional to the scale.

7. In the following figure, D = ______

8. By balancing back sight and fore sight error due to non parallelism of the line of collimation can be eliminated.

9. By balancing back sight and fore sight error due to curvature can be eliminated.

10. What is the shape of contour lines in case of a watershed?