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Consider the following statements regarding Plane Table surveying
1. It is less accurate than chain surveying
2. It is not necessary to do accurate centering of plane table for small scale surveys
3. Compass rule may be made use of for adjusting the plane table traverse
4. From the instrument station, resectors are drawn to plot the position of objects in the field
Which of these statements is/are correct?
  • a)
    2, 3 and 4
  • b)
    1, 2 and 4 
  • c)
    1, 2 and 3
  • d)
    1, 3 and 4
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Consider the following statements regarding Plane Table surveying1. It...
Plane Table Surveying

Plane table surveying is a method of surveying in which the position of objects on the field is plotted on a sheet of paper or a drawing board. The following statements are given regarding plane table surveying:

1. Accuracy: It is less accurate than chain surveying.
2. Centering: It is not necessary to do accurate centering of plane table for small scale surveys.
3. Compass Rule: Compass rule may be made use of for adjusting the plane table traverse.
4. Resectors: From the instrument station, resectors are drawn to plot the position of objects in the field.

Correct Option: B (1, 2 and 4)

Explanation:

1. Accuracy: It is a misconception that plane table surveying is less accurate than chain surveying. In fact, it is more accurate than chain surveying because it eliminates errors due to chaining and ranging. However, it is less accurate than modern surveying methods like theodolite surveying or electronic surveying.

2. Centering: Accurate centering of the plane table is necessary for all surveys, irrespective of the scale of the survey. If the centering is not accurate, the plotted points will be displaced, and the accuracy of the survey will be compromised.

3. Compass Rule: Compass rule is a method used for adjusting the traverse during plane table surveying. It is used to bring the plotted traverse in line with the actual traverse by adjusting the angles between the successive stations.

4. Resectors: Resectors are a set of lines drawn from the instrument station to the plotted points to determine their position. Resectors are used to locate objects that are not visible from the instrument station, and they help to improve the accuracy of the survey.

Conclusion:

Hence, the correct option is B, i.e., statements 1, 2, and 4 are correct.
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Community Answer
Consider the following statements regarding Plane Table surveying1. It...
In plain table surveying, It is less Accurate than chain surveying, it is not necessary to do accurate centering of plane table for small scale surveys, from the instrument station, resectors are drawn to plot the position of object in the field .Hence option-B is correct.
There is some advantages & some disadvantages are given an option about plane table surveying..
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Consider the following statements regarding Plane Table surveying1. It is less accurate than chain surveying2. It is not necessary to do accurate centering of plane table for small scale surveys3. Compass rule may be made use of for adjusting the plane table traverse4. From the instrument station, resectors are drawn to plot the position of objects in the fieldWhich of these statements is/are correct?a)2, 3 and 4b)1, 2 and 4c)1, 2 and 3d)1, 3 and 4Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements regarding Plane Table surveying1. It is less accurate than chain surveying2. It is not necessary to do accurate centering of plane table for small scale surveys3. Compass rule may be made use of for adjusting the plane table traverse4. From the instrument station, resectors are drawn to plot the position of objects in the fieldWhich of these statements is/are correct?a)2, 3 and 4b)1, 2 and 4c)1, 2 and 3d)1, 3 and 4Correct answer is option 'B'. Can you explain this answer? for Civil Engineering (CE) 2024 is part of Civil Engineering (CE) preparation. The Question and answers have been prepared according to the Civil Engineering (CE) exam syllabus. Information about Consider the following statements regarding Plane Table surveying1. It is less accurate than chain surveying2. It is not necessary to do accurate centering of plane table for small scale surveys3. Compass rule may be made use of for adjusting the plane table traverse4. From the instrument station, resectors are drawn to plot the position of objects in the fieldWhich of these statements is/are correct?a)2, 3 and 4b)1, 2 and 4c)1, 2 and 3d)1, 3 and 4Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for Civil Engineering (CE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements regarding Plane Table surveying1. It is less accurate than chain surveying2. It is not necessary to do accurate centering of plane table for small scale surveys3. Compass rule may be made use of for adjusting the plane table traverse4. From the instrument station, resectors are drawn to plot the position of objects in the fieldWhich of these statements is/are correct?a)2, 3 and 4b)1, 2 and 4c)1, 2 and 3d)1, 3 and 4Correct answer is option 'B'. Can you explain this answer?.
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