Podcast
Questions and Answers
What are depression contours used to show on a map?
What are depression contours used to show on a map?
- Flat terrains
- High spots such as mountains
- Low spots such as excavations (correct)
- Forested areas
Why are supplemental or auxiliary contours used in mapping?
Why are supplemental or auxiliary contours used in mapping?
- To better depict relief in flat areas (correct)
- To represent forested regions
- To show areas with steep slopes
- To indicate high elevations
What is the purpose of interpolation when drawing contour lines?
What is the purpose of interpolation when drawing contour lines?
- To calculate the area of the map
- To connect measured points of elevation (correct)
- To determine the color code for elevations
- To plot trees and vegetation
Which method is NOT commonly used in plotting contours?
Which method is NOT commonly used in plotting contours?
When station elevations do not align with desired contour elevations, what technique is needed?
When station elevations do not align with desired contour elevations, what technique is needed?
What do approximate contours represent on a topographic map?
What do approximate contours represent on a topographic map?
What is the main purpose of contour maps in the context of civil engineering?
What is the main purpose of contour maps in the context of civil engineering?
How does slope relate to the ground surface?
How does slope relate to the ground surface?
In what ways can slope be expressed?
In what ways can slope be expressed?
What can be inferred from contour lines on a topographic map?
What can be inferred from contour lines on a topographic map?
Which of the following is NOT an application/use of contour maps?
Which of the following is NOT an application/use of contour maps?
What is the significance of marking alignments of roads and railways on contour maps?
What is the significance of marking alignments of roads and railways on contour maps?
What is the main purpose of using subaqueous contours in mapping?
What is the main purpose of using subaqueous contours in mapping?
What does a contour line represent on the ground surface?
What does a contour line represent on the ground surface?
What does it mean if a contour on a map closes within the map limits?
What does it mean if a contour on a map closes within the map limits?
What is the contour interval related to?
What is the contour interval related to?
In mapping, what does a darker tint usually signify when used to represent underwater areas?
In mapping, what does a darker tint usually signify when used to represent underwater areas?
How do contour lines help in representing relief on a two-dimensional map?
How do contour lines help in representing relief on a two-dimensional map?
