SSC JE Exam - principles of surveying measurement of distance chain surveying Online Test (MCQ Quiz)

1. What is the fundamental principle of surveying?

A) Working from the whole to the part B) Working from the part to the whole C) Measuring angles only D) Measuring elevations only

2. In chain surveying, what is the primary instrument used for measuring distances?

A) Theodolite B) Level C) Measuring tape or chain D) Prism

3. Which type of chain is commonly used for general surveying and measuring land areas?

A) Gunter's chain B) Engineer's chain C) Revenue chain D) Metric chain

4. What is the length of a Gunter's chain?

A) 100 feet B) 66 feet C) 33 feet D) 132 feet

5. How many links are there in a Gunter's chain?

A) 100 B) 66 C) 80 D) 50

6. What is the primary advantage of using a metric chain over a Gunter's chain?

A) It is lighter B) It is more durable C) It simplifies calculations with metric units D) It has more links

7. What is the standard length of a metric chain?

A) 10 meters B) 20 meters C) 30 meters D) 50 meters

8. What are the small rings connecting the links of a chain called?

A) Shackles B) Bolts C) Eyes D) Connectors

9. What is the purpose of the brass handles at the ends of a chain?

A) To increase the weight B) To facilitate carrying and connecting C) To act as markers D) To provide grip for stretching

10. What are the small arrows used in chain surveying to mark stations called?

A) Pegs B) Rods C) Flags D) Chain arrows

11. In chain surveying, what is a 'station'?

A) A point where the chain is held B) A point defining the limits of the survey area C) A point where a measurement is taken D) A point on a hill

12. What is an 'offset' in chain surveying?

A) The distance between two main stations B) The perpendicular distance from a chain line to a detail C) The total length of the chain D) The angle of a slope

13. When would you use an 'insetting' in chain surveying?

A) When a detail is far from the chain line B) When a detail is close to the chain line C) When measuring across a river D) When measuring up a steep hill

14. What is the purpose of 'ranging' in chain surveying?

A) To measure vertical distances B) To ensure a straight line between two points C) To mark stations D) To calculate area

15. What is 'direct ranging' used for?

A) For long distances where intermediate points are not visible B) For short distances where both ends are visible C) For measuring curves D) For measuring heights

16. What instrument is used for 'indirect ranging'?

A) Chain B) Tape C) Optical square or prism D) Ranging rods

17. What is the purpose of a 'beacon' in chain surveying?

A) To mark a temporary station B) To mark a permanent station, usually visible from a distance C) To measure angles D) To hold the chain

18. Which of the following is NOT a type of offset?

A) Perpendicular offset B) Oblique offset C) Radial offset D) Vertical offset

19. What is an 'oblique offset' used for?

A) When the detail is at a right angle to the chain line B) When the detail is not at a right angle to the chain line C) When measuring across a water body D) When measuring a slope

20. What is a 'tie line' in chain surveying?

A) A line connecting two main stations B) A line used to measure the area of a triangle C) A line used to fix the position of a detail by intersecting lines D) A line used to measure height

21. What is the main limitation of chain surveying?

A) It is accurate for long distances B) It can only be used on flat ground C) It is suitable for large areas D) It requires less manpower

22. What is 'tapestry surveying'?

A) Surveying using a tapestry B) A colloquial term for chain surveying C) Surveying with a tape measure D) Surveying using a combination of chain and tape

23. What is the process of checking the accuracy of a chain by comparing it with a standard length called?

A) Calibration B) Verification C) Standardization D) Rectification

24. What is a 'correction for slope' in chain surveying?

A) The difference between horizontal and inclined distance B) The difference between measured and true length C) The error due to temperature D) The error due to sag

25. What is the formula for correction for slope (approximate)?

A) h²/2L B) h/2L C) 2L/h² D) L²/2h

26. What does 'h' represent in the correction for slope formula?

A) Horizontal distance B) Inclined distance C) Vertical difference in elevation D) Length of the chain

27. What is 'sag' in the context of chain measurement?

A) The bending of the chain due to its own weight B) The error due to temperature expansion C) The error due to uneven ground D) The error due to incorrect handling

28. The correction for sag is always:

A) Positive B) Negative C) Zero D) Variable

29. What is the purpose of 'offsets' in chain surveying?

A) To measure the main distances B) To locate details not on the main chain lines C) To establish new stations D) To ensure straightness of lines

30. What is the minimum number of measurements required to determine the area of a triangle in chain surveying?

A) 1 side and 1 angle B) 2 sides and 1 angle C) 3 sides D) 1 side and 1 offset

31. When measuring an area by chain surveying, what is the common practice for dividing the area into?

A) Squares B) Rectangles C) Triangles D) Circles

32. What is the principle behind calculating the area of a plot using chain surveying?

A) Summing the areas of squares B) Summing the areas of rectangles C) Summing the areas of triangles D) Using integration

33. What is a 'building' or 'obstacle' that cannot be chained over in chain surveying?

A) A station B) A detail C) An obstacle D) A benchmark

34. How are obstacles like buildings typically overcome in chain surveying?

A) By chaining over them B) By ranging around them C) By offsetting around them D) By using a drone

35. What is the purpose of 'check lines' in chain surveying?

A) To measure the main distances B) To provide redundancy and check the accuracy of area calculations C) To establish stations D) To measure offsets

36. What is the primary consideration when selecting the lines for a chain survey (survey lines)?

A) They should be as long as possible B) They should be as short as possible C) They should pass through all details D) They should be perpendicular to each other

37. What is the purpose of using a 'plumb bob' in chain surveying?

A) To measure horizontal distances B) To transfer points vertically to the ground when chaining on a slope C) To mark stations D) To measure angles

38. What is the term for a chain that has been stretched and is longer than its nominal length?

A) Under-chain B) Over-chain C) True chain D) Standard chain

39. What is the term for a chain that has been shortened and is shorter than its nominal length?

A) Under-chain B) Over-chain C) True chain D) Standard chain

40. What is the main advantage of using a steel tape over a chain?

A) It is more flexible B) It has fewer links C) It is less affected by temperature D) It is easier to handle on rough terrain

41. What is the purpose of a 'tally' in chain surveying?

A) To mark stations B) To record full chains measured C) To measure offsets D) To ensure straightness

42. What is a 'triangulation station'?

A) A point where a chain is held B) A vertex of a triangle in a triangulation network C) A point for measuring offsets D) A temporary station

43. What is the primary requirement for a well-conditioned triangle in chain surveying?

A) All angles should be small B) All angles should be large C) No angle should be less than 30 degrees or greater than 120 degrees D) One angle must be 90 degrees

44. What is the purpose of 'breaking chain'?

A) To measure very long distances accurately B) To measure distances shorter than the chain length C) To measure across obstacles D) To measure slopes

45. What is an 'intermittent stream' in the context of chain surveying obstacles?

A) A stream that flows all year round B) A stream that flows only during rainy seasons C) A stream that is too wide to chain across D) A stream that is too deep to chain across

46. What is a 'survey beacon' typically made of?

A) Wood B) Concrete or stone C) Plastic D) Metal rod

47. What is the fundamental principle of surveying that chain surveying adheres to?

A) Working from the part to the whole B) Working from the whole to the part C) Direct measurement of angles D) Indirect measurement of distances

48. What is the unit of measurement for area in a Gunter's chain system?

A) Square meters B) Square feet C) Acres D) Hectares

49. What is the relationship between an acre and square yards?

A) 1 acre = 4840 square yards B) 1 acre = 1000 square yards C) 1 acre = 4046.86 square yards D) 1 acre = 100 square yards

principles of surveying measurement of distance chain surveying - Online Test

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