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In chain surveying, the following lines are used:
  • a)
    Baseline, check line, contour line
  • b)
    Baseline, contour line, tie line
  • c)
    Check line, tie line, contour line
  • d)
    Baseline, check line, tie line
Correct answer is option 'D'. Can you explain this answer?
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In chain surveying, the following lines are used:a)Baseline, check lin...
In chain surveying, following lines are used
Base Lines:
It is main and longest line, which passes approximately through the center of the field.
All the other measurements to show the details of the work are taken with respect of this line.
Check Line:
A check line also termed as a proof line is a line joining the apex of a triangle to some fixed points on any two sides of a triangle.
A check line is measured to check the accuracy of the framework. The length of a check line, as measured on the ground should agree with its length on the plan.
Tie or subsidiary lines:
A tie line joints two fixed points on the main survey lines.
It helps to checking the accuracy of surveying and to locate the interior details.
The position of each tie line should be close to some features, such as paths, building etc.
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In chain surveying, the following lines are used:a)Baseline, check lin...
Chain surveying lines

Chain surveying is a type of surveying in which distances are measured using a chain or tape. The following lines are used in chain surveying:

1. Baseline
A baseline is a straight line used as a reference line for the measurement of other lines. It is the main line for the survey and is usually the longest line. The baseline is the first line to be measured in a survey and is used as a reference for measuring other lines.

2. Check line
A check line is a line that is measured after the survey is completed to ensure the accuracy of the survey. It is used to check the accuracy of the measurements taken during the survey.

3. Tie line
A tie line is a line that connects two points on the survey. It is used to tie the survey to a previous survey or to a known point.

4. Contour line
A contour line is a line on a map that connects points of equal elevation. Contour lines are used to show the shape and slope of the land.

Correct answer: Baseline, check line, tie line

The correct order of the lines used in chain surveying is baseline, check line, tie line. This is because the baseline is the main line for the survey, and the check line is used to ensure the accuracy of the measurements taken during the survey. The tie line is used to tie the survey to a previous survey or to a known point.

Conclusion

In conclusion, chain surveying is a type of surveying in which distances are measured using a chain or tape. The lines used in chain surveying include the baseline, check line, tie line, and contour line. The correct order of the lines used in chain surveying is baseline, check line, tie line.
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In chain surveying, the following lines are used:a)Baseline, check line, contour lineb)Baseline, contour line, tie linec)Check line, tie line, contour lined)Baseline, check line, tie lineCorrect answer is option 'D'. Can you explain this answer?
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