principles of surveying measurement of distance chain surveying - One Line Questions

1. What is the relationship between an acre and square yards? — 1 acre = 4840 square yards
2. What is the minimum number of measurements required to determine the area of a triangle in chain surveying? — 3 sides
3. What is the standard length of a metric chain? — 20 meters
4. How many links are there in a Gunter's chain? — 80
5. What is the length of a Gunter's chain? — 66 feet
6. What is a 'tie line' in chain surveying? — A line used to fix the position of a detail by intersecting lines
7. What is a 'triangulation station'? — A vertex of a triangle in a triangulation network
8. In chain surveying, what is a 'station'? — A point defining the limits of the survey area
9. What is a 'building' or 'obstacle' that cannot be chained over in chain surveying? — An obstacle
10. What is an 'intermittent stream' in the context of chain surveying obstacles? — A stream that flows only during rainy seasons
11. What is the primary requirement for a well-conditioned triangle in chain surveying? — No angle should be less than 30 degrees or greater than 120 degrees
12. How are obstacles like buildings typically overcome in chain surveying? — By offsetting around them
13. What is the process of checking the accuracy of a chain by comparing it with a standard length called? — Calibration
14. What instrument is used for 'indirect ranging'? — Optical square or prism
15. What is 'direct ranging' used for? — For short distances where both ends are visible
16. Which type of chain is commonly used for general surveying and measuring land areas? —
17. What is the formula for correction for slope (approximate)? — h²/2L
18. What does 'h' represent in the correction for slope formula? — Vertical difference in elevation
19. What is the main limitation of chain surveying? — It can only be used on flat ground
20. What is the primary advantage of using a metric chain over a Gunter's chain? — It simplifies calculations with metric units
21. What is the main advantage of using a steel tape over a chain? — It is less affected by temperature
22. What are the small arrows used in chain surveying to mark stations called? — Chain arrows
23. Which of the following is NOT a type of offset? — Vertical offset
24. The correction for sag is always: — Negative
25. What are the small rings connecting the links of a chain called? — Eyes
26. What is the unit of measurement for area in a Gunter's chain system? — Acres
27. When measuring an area by chain surveying, what is the common practice for dividing the area into? — Triangles
28. What is the principle behind calculating the area of a plot using chain surveying? — Summing the areas of triangles
29. What is 'tapestry surveying'? — A colloquial term for chain surveying
30. What is 'sag' in the context of chain measurement? — The bending of the chain due to its own weight
31. What is a 'correction for slope' in chain surveying? — The difference between horizontal and inclined distance
32. What is an 'offset' in chain surveying? — The perpendicular distance from a chain line to a detail
33. In chain surveying, what is the primary instrument used for measuring distances? — Measuring tape or chain
34. What is the primary consideration when selecting the lines for a chain survey (survey lines)? — They should be as long as possible
35. What is the purpose of the brass handles at the ends of a chain? — To facilitate carrying and connecting
36. What is the purpose of a 'beacon' in chain surveying? — To mark a permanent station, usually visible from a distance
37. What is the purpose of a 'tally' in chain surveying? — To record full chains measured
38. What is the purpose of using a 'plumb bob' in chain surveying? — To transfer points vertically to the ground when chaining on a slope
39. What is the purpose of 'offsets' in chain surveying? — To locate details not on the main chain lines
40. What is the purpose of 'check lines' in chain surveying? — To provide redundancy and check the accuracy of area calculations
41. What is the purpose of 'ranging' in chain surveying? — To ensure a straight line between two points
42. What is the purpose of 'breaking chain'? — To measure distances shorter than the chain length
43. What is the term for a chain that has been stretched and is longer than its nominal length? — Over-chain
44. What is the term for a chain that has been shortened and is shorter than its nominal length? — Under-chain
45. When would you use an 'insetting' in chain surveying? — When a detail is close to the chain line
46. What is an 'oblique offset' used for? — When the detail is not at a right angle to the chain line
47. What is a 'survey beacon' typically made of? — Concrete or stone
48. What is the fundamental principle of surveying that chain surveying adheres to? — Working from the whole to the part
49. What is the fundamental principle of surveying? — Working from the whole to the part
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