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MINE SURVEYING QUIZ - 1

1. Alidade is used in




...
Answer is B)
Alidade is used in Plane Tabling


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




...
Answer is A)
The length of a link in a chain is 20 cm


3. A level cannot be used for?




... Answer is C)
A level cannot be used for vertical angles


4. A Theodolite measures?




... Answer is C)
A Theodolite measures Horizontal and Vertical angles


5. Alidade is used for




... Answer is A)
Alidade is used for Sighting the object


6. An underground plan shall show spot level on




... Answer is C)
An underground plan shall show spot level on floor of working


7. Contours of different elevations can cross each other




... Answer is B)
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




... Answer is B)
For ranging a line, the number of ranging rods required is At least three


9. In chain surveying, slope correction is




... Answer is B)
In chain surveying, slope correction is Always negative


10. In Surveying, contours are lines of equal




... Answer is B)
In Surveying, contours are lines of equal elevation


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




... Answer is A)
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




... Answer is C)
Most important factor in selecting survey stations is Intervisibility and well-conditioned triangle


13. On a change point




... Answer is C)
On a change point Both foresight and backsight are taken


14. Prismatic compass gives the



... Answer is C)
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?



... Answer is D) Adjustment of Plate Bubble


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?



... Answer is B) Signature


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



... Answer is D) Gyro-theodolites


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



... Answer is D) 56.25


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?



... Answer is C) 1:4000


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



... Answer is D) 100 m