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To orient a plane table at a point with two inaccessible points, the method generally adopted is:
- a)Intersection
- b)Resection
- c)Radiation
- d)Two-point problem
Correct answer is option 'D'. Can you explain this answer?
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To orient a plane table at a point with two inaccessible points, the m...
Two Point Problem: It is basically a resection method. In the two-point problem, two points are sighted from other point corresponding to the points given in plane table sheet.
In the method of intersection, the plotted position of stations is known, and the plotted position of objects are obtained by intersection.
In the method of resection, the plotted position of objects is known, and the plotted position of station is obtained.
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To orient a plane table at a point with two inaccessible points, the m...
Two-point problem method for orienting a plane table at a point with two inaccessible points
The method generally adopted for orienting a plane table at a point with two inaccessible points is the two-point problem method. This method involves the following steps:
1. Selecting the two inaccessible points: Two points are selected which are visible from the point where the plane table needs to be oriented. These two points should be as far apart as possible and should be easily identifiable.
2. Measuring the distance between the two points: The distance between the two selected points is measured accurately. This can be done using a tape measure or any other suitable distance measuring instrument.
3. Setting up the plane table: The plane table is set up at the point from where the two inaccessible points are visible.
4. Drawing a line connecting the two points on the paper: A line is drawn on the paper of the plane table connecting the two selected points using a straight edge.
5. Measuring the distance between the two points on the paper: The distance between the two points on the paper is measured using a scale or any other suitable measuring instrument.
6. Marking the point of intersection: A perpendicular bisector is drawn on the line connecting the two points on the paper. The point where the perpendicular bisector intersects the line is marked as the point of intersection.
7. Orienting the table: The table is oriented so that the line connecting the two points on the paper is aligned with the line connecting the two inaccessible points in the field.
8. Checking the orientation: The orientation of the table is checked by sighting through the foresight and backsight of the table to ensure that they are aligned with the two inaccessible points.
Conclusion:
Thus, the two-point problem method is a simple and effective method for orienting a plane table at a point with two inaccessible points. It involves selecting two easily identifiable points, measuring the distance between them, drawing a line on the paper, marking the point of intersection, and orienting the table.
The method generally adopted for orienting a plane table at a point with two inaccessible points is the two-point problem method. This method involves the following steps:
1. Selecting the two inaccessible points: Two points are selected which are visible from the point where the plane table needs to be oriented. These two points should be as far apart as possible and should be easily identifiable.
2. Measuring the distance between the two points: The distance between the two selected points is measured accurately. This can be done using a tape measure or any other suitable distance measuring instrument.
3. Setting up the plane table: The plane table is set up at the point from where the two inaccessible points are visible.
4. Drawing a line connecting the two points on the paper: A line is drawn on the paper of the plane table connecting the two selected points using a straight edge.
5. Measuring the distance between the two points on the paper: The distance between the two points on the paper is measured using a scale or any other suitable measuring instrument.
6. Marking the point of intersection: A perpendicular bisector is drawn on the line connecting the two points on the paper. The point where the perpendicular bisector intersects the line is marked as the point of intersection.
7. Orienting the table: The table is oriented so that the line connecting the two points on the paper is aligned with the line connecting the two inaccessible points in the field.
8. Checking the orientation: The orientation of the table is checked by sighting through the foresight and backsight of the table to ensure that they are aligned with the two inaccessible points.
Conclusion:
Thus, the two-point problem method is a simple and effective method for orienting a plane table at a point with two inaccessible points. It involves selecting two easily identifiable points, measuring the distance between them, drawing a line on the paper, marking the point of intersection, and orienting the table.
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To orient a plane table at a point with two inaccessible points, the method generally adopted is:a)Intersectionb)Resectionc)Radiationd)Two-point problemCorrect answer is option 'D'. Can you explain this answer?
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To orient a plane table at a point with two inaccessible points, the method generally adopted is:a)Intersectionb)Resectionc)Radiationd)Two-point problemCorrect answer is option 'D'. 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 To orient a plane table at a point with two inaccessible points, the method generally adopted is:a)Intersectionb)Resectionc)Radiationd)Two-point problemCorrect answer is option 'D'. 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 To orient a plane table at a point with two inaccessible points, the method generally adopted is:a)Intersectionb)Resectionc)Radiationd)Two-point problemCorrect answer is option 'D'. Can you explain this answer?.
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