Podcast
Questions and Answers
What is the purpose of land grading?
What is the purpose of land grading?
- To control flow for irrigation and drainage purposes (correct)
- To increase soil erosion
- To create irregularities in the land surface
- To reshape the land for aesthetic purposes
In land levelling operations, what is the purpose of rough grading?
In land levelling operations, what is the purpose of rough grading?
- To create mounds, dunes, and ridges
- To remove abrupt irregularities and fill pits and depressions (correct)
- To reshape the land to a planned grade
- To leave an irregular surface due to dumping of loads
What is the final operation in land levelling?
What is the final operation in land levelling?
- Removal of irregularities
- Land smoothing (correct)
- Land levelling
- Rough grading
Which terms are synonymous with land levelling?
Which terms are synonymous with land levelling?
What are the benefits of land grading in unirrigated areas?
What are the benefits of land grading in unirrigated areas?
What is the primary requirement for controlling flow in irrigation and drainage purposes?
What is the primary requirement for controlling flow in irrigation and drainage purposes?
What is the main purpose of a topographic map?
What is the main purpose of a topographic map?
What do U-shaped curves in contour lines indicate?
What do U-shaped curves in contour lines indicate?
What do closed contours with higher values inside indicate on a topographic map?
What do closed contours with higher values inside indicate on a topographic map?
What is the purpose of land leveling?
What is the purpose of land leveling?
What criteria does land leveling depend on?
What criteria does land leveling depend on?
What happens when contour lines coincide horizontally with a zero value?
What happens when contour lines coincide horizontally with a zero value?
What do V-shaped curves in contour lines indicate?
What do V-shaped curves in contour lines indicate?
What does a series of closed contours with higher values outside indicate?
What does a series of closed contours with higher values outside indicate?
What does the line passing through a saddle and summits on contour lines show?
What does the line passing through a saddle and summits on contour lines show?
What should be divided into smaller field subdivisions based on natural topographical boundaries in the initial plan?
What should be divided into smaller field subdivisions based on natural topographical boundaries in the initial plan?
