Profile Leveling Quiz

What is the purpose of profile leveling?

• To measure horizontal distances

• To calculate the area of a proposed roadway

• To establish the width of a stream bed

• To determine elevations of points along a line

What is used as a benchmark to determine the height of the instrument?

• Range poles

• Leveling rod

• Steel tape

• Engineer's level

What is the scale used for plotting horizontal distances in the profile?

• 1:1000

• 1:100

• 1:10

• 1:500

What is the difference between the sum of all backsights and the sum of all foresights equal to?

• The difference in elevation between two benchmarks

• The curvature and refraction

• The elevation of the final point

• The error of closure

What is the main instrument used for profile leveling?

• Engineer's level

• Steel tape

• Range poles

• Triangles

What is the purpose of establishing stakes at every full station along the center line of a proposed roadway?

• To take backsight readings

• To set up the instrument

• To determine the height of the instrument

• To measure elevations at measured intervals

What is the purpose of taking and recording intermediate foresights?

• To establish a turning point

• To determine the elevation of the final point

• To calculate the error of closure

• To determine the elevation of ground points

What is the purpose of connecting the plotted elevations for the profile by a smooth curve line?

• To calculate the area of the proposed roadway

• To visualize the elevation changes along the center line

• To determine the error of closure

• To establish the width of a stream bed

What is the main purpose of the laboratory exercise outline?

• To complete data and results from past fieldwork

• To solve practice problems

• To write a detailed objectives for the fieldwork

• To provide detailed conclusions

What is the purpose of providing recommendations in the laboratory exercise outline?

• To calculate the error of closure

• To establish the width of a stream bed

• To attain good data and results

• To determine the height of the instrument