Civil Engineering (CE) Exam > Civil Engineering (CE) Questions > Closed contours, with higher value inwards, r...
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Closed contours, with higher value inwards, represent a
- a)depression
- b)hillock
- c)plain surface
- d)None of the above
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Closed contours, with higher value inwards, represent aa)depressionb)h...
Closed contours with higher values inwards represent a depression.
Explanation:
- Depression: In topographic maps, a depression is shown by closed contours with the highest elevation in the center. These contours are typically marked with hachure lines (short lines) pointing towards the center of the depression to indicate that the terrain dips downward.
- Hillock: A hillock would have the highest elevation at the center, with contours arranged around it in concentric circles, representing a rise in elevation, not a depression.
- Plain Surface: A plain would be represented by evenly spaced, straight, or gently curved contours, showing a flat or nearly level surface.
Answer:
Most Upvoted Answer
Closed contours, with higher value inwards, represent aa)depressionb)h...
Closed contours with higher values inwards represent hillocks. This is because of the following reasons:
Contour Lines: Contour lines are imaginary lines that connect points of equal elevation on a map. They depict the shape of the land and the variations in elevation. The contour interval is the vertical distance between two successive contour lines.
Closed Contours: A closed contour is a contour line that forms a closed loop, indicating a hill or a depression. The closed contour lines are continuous with no breaks or gaps.
Higher Values Inwards: When the values of the contour lines increase towards the centre of the closed contour, it indicates a hillock. This means that the elevation of the land increases towards the centre of the closed loop.
Reasoning: A hillock is an elevated area of land that rises above the surrounding area. As the contour lines move towards the centre of the closed loop, the elevation of the land increases, indicating a hillock.
Conclusion: Therefore, closed contours with higher values inwards represent hillocks because they indicate an elevated area of land that rises above the surrounding area. This is an important concept in civil engineering as it helps in the design and construction of structures on hilly terrain.
Contour Lines: Contour lines are imaginary lines that connect points of equal elevation on a map. They depict the shape of the land and the variations in elevation. The contour interval is the vertical distance between two successive contour lines.
Closed Contours: A closed contour is a contour line that forms a closed loop, indicating a hill or a depression. The closed contour lines are continuous with no breaks or gaps.
Higher Values Inwards: When the values of the contour lines increase towards the centre of the closed contour, it indicates a hillock. This means that the elevation of the land increases towards the centre of the closed loop.
Reasoning: A hillock is an elevated area of land that rises above the surrounding area. As the contour lines move towards the centre of the closed loop, the elevation of the land increases, indicating a hillock.
Conclusion: Therefore, closed contours with higher values inwards represent hillocks because they indicate an elevated area of land that rises above the surrounding area. This is an important concept in civil engineering as it helps in the design and construction of structures on hilly terrain.
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