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# MINE SURVEYING QUIZ - 1

...
Alidade is used in Plane Tabling

2. The length of a link in a chain is?

...
The length of a link in a chain is 20 cm

3. A level cannot be used for?

A level cannot be used for vertical angles

4. A Theodolite measures?

A Theodolite measures Horizontal and Vertical angles

Alidade is used for Sighting the object

6. An underground plan shall show spot level on

An underground plan shall show spot level on floor of working

7. Contours of different elevations can cross each other

Contours of different elevations can cross each other Only at an overhanging cliff

8. For ranging a line, the number of ranging rods required is

For ranging a line, the number of ranging rods required is At least three

9. In chain surveying, slope correction is

In chain surveying, slope correction is Always negative

10. In Surveying, contours are lines of equal

In Surveying, contours are lines of equal elevation

11. In the underground coal mine plans, the surface contours drawn at vertical intervals not exceeding

In the underground coal mine plans, the surface contours drawn at vertical intervals not exceeding 5 m

12. Most important factor in selecting survey stations is

Most important factor in selecting survey stations is Intervisibility and well-conditioned triangle

13. On a change point

On a change point Both foresight and backsight are taken

14. Prismatic compass gives the

Prismatic compass gives the Whole circle Bearing

15. Surveys which are carried out to depict mountains, rivers, water bodies, wooded areas and other
cultural details, are known as

... Answer is C) topographical surveys

16. The closing error in a closed traverse is adjusted by

... Answer is C) Bowditch's rule

17. The field observations and plotting of the plan proceed simultaneously in

... Answer is D) Plane table surveying

18. The latitude and longitude are the

... Answer is C) Spherical coordinates

19. The line passes through zero declination is known as the

... Answer is B) Agonic line

20. The main principle of surveying is to work from

... Answer is D) Whole to part

21. The mean-sea-level surface is a,

... Answer is D) Level Surface

22. The suspended compensation system is a component of

... Answer is A) Auto level

23. Which of the following is not a temporary adjustment of Theodolite?

24. Contour line of different elevation can unite to form one line in case of

... Answer is C) vertical cliff

25. If the reading on a leveling staff held at bench mark is less than that on the staff held at forward station, the forward station is at

... Answer is A) lower elevation that of bench mark

26. In tacheometer, anallatic lens is used to make

... Answer is D) Multiplying constant equal to 100 and Additive constant equal to zero

27. Modern EDM instruments use

... Answer is A) amplitude modulation

28. Pick up the correct statement from the following :

... Answer is D) All the Options

29. Tacheometry is used to determine

... Answer is A) Horizontal and vertical distances

30. The device used as a substitute for plumb bob for centering a theodolite over a ground station is

... Answer is D) Optical plummet

31. The Two-Peg Test is carried out to check

... Answer is A) Collimation error

32. The U-tube is a component of

... Answer is C) Tilting Level

33. Two mirrors are used for offsetting in

... Answer is B) Optical square

34. Which of the following helps to identify the objects on the earth surface?

35. Which of the following instruments can not be used for monitoring of subsidence in mines?

36. A distance is measured along a rising ground of 50 cm at every 10 m and was found to be 235 m.
The horizontal distance is,

... Answer is C) 234.706 m

37. A plan drawn to a scale of 1:4000 was measured by a scale of 1:5000. The % error in the area
measured would be

38. The multiplicative constant in a tacheometer with focal length f and stadia wire interval i, is

... Answer is B) f ⁄ i

39. What will be R.F for a scale of 2.5 cm = 100 m?

40. The radius of curvature of the arc of the bubble tube is generally kept

... Answer is D) 100 m 