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Check lines (or proof lines) in Chain Surveying, are essentially required
  • a)
    To plot the chain lines
  • b)
    To plot the offsets
  • c)
    To indicate the accuracy of the survey work
  • d)
    To increase the out-turn
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Check lines (or proof lines) in Chain Surveying, are essentially requi...
Explanation:

Chain surveying is a traditional method of surveying, which involves measuring distances and angles using a chain and a compass. During the survey, several measurements are taken to ensure accuracy, and these measurements are recorded on a sheet of paper or a map. One of the critical aspects of chain surveying is the use of check lines or proof lines. The following are the reasons why check lines are essential in chain surveying:

Indicate the accuracy of the survey work:
Check lines are used to indicate the accuracy of the survey work. The surveyor takes several measurements to ensure that the surveyed area is accurate. The measurements are recorded on the map, and the check lines are drawn to indicate the accuracy of the work. Check lines help to identify any errors or mistakes in the surveying process.

To plot the chain lines:
Chain lines are the lines that are measured using a chain. Check lines are used to plot these lines accurately. They help to ensure that the chain lines are straight and that the distances are accurately measured. By using check lines, the surveyor can identify any errors or mistakes in the measurement process.

To plot the offsets:
Offsets are the measurements taken perpendicular to the chain line. They are used to identify the position of objects such as buildings, trees, or other features. Check lines are used to plot the offsets accurately. They help to ensure that the offsets are measured correctly and that the objects are located in the right place on the map.

To increase the out-turn:
Check lines help to increase the out-turn of the survey work. Out-turn refers to the amount of work that is produced by the survey. By using check lines, the surveyor can ensure that the survey work is accurate and that the measurements are correct. This increases the out-turn of the survey work and ensures that the surveyed area is accurately represented on the map.

Conclusion:
In conclusion, check lines are essential in chain surveying because they indicate the accuracy of the survey work, help to plot the chain lines and offsets accurately, and increase the out-turn of the survey work. By using check lines, the surveyor can ensure that the surveyed area is accurately represented on the map, and any errors or mistakes are identified and corrected.
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Community Answer
Check lines (or proof lines) in Chain Surveying, are essentially requi...
Check line is extra line which are not necessary for surveying purpose. when our survey work is complete then we plot a line on map between two different random station and multiplying by scale . then measure ground those subsequent station which are equal. so check line are use for check survey work
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Check lines (or proof lines) in Chain Surveying, are essentially requireda)To plot the chain linesb)To plot the offsetsc)To indicate the accuracy of the survey workd)To increase the out-turnCorrect answer is option 'C'. Can you explain this answer?
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