Surveying Online Test – Paper 2

1. When several contours coincide, it indicates

2. The maximum permissible difference allowed while taking down the fore bearing and back bearing of a line is

3. If the length of a transition curve is such that the full super elevation is attained at the junction with the circular curve, the resultant curve is known as

4. If the intercept on the vertical staff is observed as 1.5mm from a tacheometer, the horizontal distance between the tacheometer and staff station is

5. If S is the value of one smallest division on the main scale, v is the value of one smallest division on the vernier, and n is the number of divisions on the vernier, then the least count is given by

6. True meridians

7. The device used in computing the horizontal and vertical distances rapidly and conveniently is

8. The principle of surveying to prevent the accumulation of errors is

9. For a dumpy level in perfect adjustment, the horizontal cross hair should be in a plane

10. The designation of scale recommended by IS: 1491-1959 is

11. The errors due to bad ranging are

12. When a chain line encounters a river:

13. The outer spindle attached to the lower plate in a transit theodolite is known as

14. The range of accuracy in measuring distance by EDM with respect to ODM is

15. In compass surveying

16. The purpose of triangulation in a chain survey is

17. Size of a theodolite is specified by

18. The bearing of the traverse line is calculated by

19. The location of the contour gradient for a highway is best set out from

20. The process of turning the telescope about the vertical axis in a horizontal plane is known as

21. The inclination of the needle to the horizontal towards the pole is called

22. Personal error in leveling occurs due to

23. If the included angle is greater than 180°, the deflection angle is

24. Secular variation is an important factor because

25. An operation for determining the relative elevations of different points on the surface of the earth is known as

26. In a dumpy level, the objective and eyepiece lenses are made of two or more small lenses to obtain

27. A poor fix of the table is:

28. If the smallest division of a vernier is longer than the smallest division of its primary scale, the vernier is known as

29. Under Survey, "working from whole to part" is done

30. A 30m chain was found to be 20cm too long after chaining 1500m. The correct length of the total distance chained will be