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According to the basic principles of contouring, which of the following is true?
- a)The interval is directly proportional to the complexity of the geographical features.
- b)The interval does not depend on the scale of the map or the complexity of the geographical features.
- c)The interval is inversely proportional to the scale of map.
- d)All of these
Correct answer is option 'C'. Can you explain this answer?
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According to the basic principles of contouring, which of the followin...
Contour:
Line joining points of the same elevation are called contour lines.
Contour Interval
Line joining points of the same elevation are called contour lines.
Contour Interval
- A contour interval is a vertical distance or difference in elevation between contour lines.
- It is always kept the same or constant for a map.
The contour interval depends upon the following factors
- The scale of the map
- The contour interval normally varies inversely to the scale of the map i.e., if the scale of the map is large, the contour interval is considered to be small and vice versa.
- Purpose of the map
- For a very important and detailed design, contour intervals should be kept small.
- Nature of ground
- For flat ground, a small contour interval is chosen whereas, for undulating and broken ground, a greater contour interval is adopted.
- Time & Cost
- If the contour interval is small, greater time and funds will be required in the field survey, in reduction, and in plotting the map. If the time and funds available are limited, the contour interval may be kept large.
- Slope
- Contour interval is directly proportional to the slope. Contour intervals for flat countries are generally small, e.g. 0.25 m, 0.5 m, 0.75 m, etc. Contour interval in hilly areas is generally greater, e.g. 5 m, 10 m, 15 m, etc.
Additional Information
Characteristics of contour lines
Characteristics of contour lines
- Two contour lines do not intersect each other except in the case of an overhanging cliff and a cave penetrating a hill.
- All lines close themselves within the map boundaries or outside it.
- If the contour lines are very close to each other, this indicates a steep slope.
- If the contour lines are at a very large distance from each other, this indicates a gentle slope.
- If the closed lines have higher elevation in the center then it represents the hill or mountain.
- If the closed line has increasing elevation as we move away, then it represents a pond or a depression in the ground profile.
- The direction of the steepest slope is along with the shortest between the contours.
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Community Answer
According to the basic principles of contouring, which of the followin...
Contouring is a technique used in civil engineering and cartography to represent the three-dimensional shape of the Earth's surface on a two-dimensional map. It involves drawing contour lines, which are imaginary lines that connect points of equal elevation, on a map. The basic principles of contouring help ensure that the contour lines accurately represent the terrain features.
Interval and Scale Relationship:
- The interval refers to the vertical distance between contour lines on a map. It is determined by the scale of the map and the complexity of the geographical features being represented.
- The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. For example, a scale of 1:10,000 means that one unit of measurement on the map represents 10,000 units on the ground.
- The complexity of geographical features refers to the variation in elevation within a given area. Areas with steep slopes or rugged terrain will have a higher complexity, while areas with gentle slopes or flat terrain will have a lower complexity.
Explanation of the options:
a) The statement "The interval is directly proportional to the complexity of the geographical features" is incorrect. The interval is not directly proportional to the complexity of the geographical features. Higher complexity may require smaller intervals to accurately represent the terrain features, but it is not a direct proportionality.
b) The statement "The interval does not depend on the scale of the map or the complexity of the geographical features" is incorrect. The interval does depend on both the scale of the map and the complexity of the geographical features. A larger scale map will have smaller intervals to capture more detail, while a smaller scale map will have larger intervals to represent broader features.
c) The statement "The interval is inversely proportional to the scale of the map" is correct. Inverse proportionality means that as the scale of the map increases (i.e., the map becomes larger or more detailed), the interval between contour lines decreases. This is because a larger scale map can accommodate more contour lines, allowing for a more accurate representation of the terrain features.
d) The statement "All of these" is incorrect. Only option c) is true, as explained above.
In conclusion, the correct statement according to the basic principles of contouring is that the interval is inversely proportional to the scale of the map.
Interval and Scale Relationship:
- The interval refers to the vertical distance between contour lines on a map. It is determined by the scale of the map and the complexity of the geographical features being represented.
- The scale of a map is the ratio of a distance on the map to the corresponding distance on the ground. For example, a scale of 1:10,000 means that one unit of measurement on the map represents 10,000 units on the ground.
- The complexity of geographical features refers to the variation in elevation within a given area. Areas with steep slopes or rugged terrain will have a higher complexity, while areas with gentle slopes or flat terrain will have a lower complexity.
Explanation of the options:
a) The statement "The interval is directly proportional to the complexity of the geographical features" is incorrect. The interval is not directly proportional to the complexity of the geographical features. Higher complexity may require smaller intervals to accurately represent the terrain features, but it is not a direct proportionality.
b) The statement "The interval does not depend on the scale of the map or the complexity of the geographical features" is incorrect. The interval does depend on both the scale of the map and the complexity of the geographical features. A larger scale map will have smaller intervals to capture more detail, while a smaller scale map will have larger intervals to represent broader features.
c) The statement "The interval is inversely proportional to the scale of the map" is correct. Inverse proportionality means that as the scale of the map increases (i.e., the map becomes larger or more detailed), the interval between contour lines decreases. This is because a larger scale map can accommodate more contour lines, allowing for a more accurate representation of the terrain features.
d) The statement "All of these" is incorrect. Only option c) is true, as explained above.
In conclusion, the correct statement according to the basic principles of contouring is that the interval is inversely proportional to the scale of the map.
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According to the basic principles of contouring, which of the following is true?a)The interval is directly proportional to the complexity of the geographical features.b)The interval does not depend on the scale of the map or the complexity of the geographical features.c)The interval is inversely proportional to the scale of map.d)All of theseCorrect answer is option 'C'. Can you explain this answer?
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According to the basic principles of contouring, which of the following is true?a)The interval is directly proportional to the complexity of the geographical features.b)The interval does not depend on the scale of the map or the complexity of the geographical features.c)The interval is inversely proportional to the scale of map.d)All of theseCorrect answer is option 'C'. 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 According to the basic principles of contouring, which of the following is true?a)The interval is directly proportional to the complexity of the geographical features.b)The interval does not depend on the scale of the map or the complexity of the geographical features.c)The interval is inversely proportional to the scale of map.d)All of theseCorrect answer is option 'C'. 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 According to the basic principles of contouring, which of the following is true?a)The interval is directly proportional to the complexity of the geographical features.b)The interval does not depend on the scale of the map or the complexity of the geographical features.c)The interval is inversely proportional to the scale of map.d)All of theseCorrect answer is option 'C'. Can you explain this answer?.
According to the basic principles of contouring, which of the following is true?a)The interval is directly proportional to the complexity of the geographical features.b)The interval does not depend on the scale of the map or the complexity of the geographical features.c)The interval is inversely proportional to the scale of map.d)All of theseCorrect answer is option 'C'. 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 According to the basic principles of contouring, which of the following is true?a)The interval is directly proportional to the complexity of the geographical features.b)The interval does not depend on the scale of the map or the complexity of the geographical features.c)The interval is inversely proportional to the scale of map.d)All of theseCorrect answer is option 'C'. 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 According to the basic principles of contouring, which of the following is true?a)The interval is directly proportional to the complexity of the geographical features.b)The interval does not depend on the scale of the map or the complexity of the geographical features.c)The interval is inversely proportional to the scale of map.d)All of theseCorrect answer is option 'C'. Can you explain this answer?.
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