Surveying Practice Test 4

1. While measuring the set of observations, the transit should be levelled each time for high degree of precision.

2. Parallax can be eliminated by focusing the eye piece and objective.

3. By plotting and recording values simultaneously, there is a possibility to occur more errors.

4. The method of repetition is used to measure a horizontal angle to a finer degree of accuracy than that obtained with the least count of the vernier.

5. By means of vertical circle clamp and its corresponding ___________ the telescope can be set accurately at any desired position in the vertical plane.

6. Error due to the line of collimation not being perpendicular to the horizontal axis comes under ________ error.

7. Closing error can be briefly explained in which of the following set of methods?

8. Subtense method is one of the classifications of stadia system.

9. Error due to in accurate centering comes under ________ error.

10. Which among the following determines the direction of closing error?