Surveying equipment - SS2 Agriculture Past Questions and Answers - page 2
What is the primary purpose of a total station in modern surveying?
Measuring linear distances
Calculating elevations
Determining angles with precision
Marking reference points on the ground
Which surveying instrument is commonly used to create detailed land surveys and maps?
Hunter's chain
Measuring tape
Theodolite
Total station
What material is often used to make a theodolite?
Steel
Aluminum
Wood
Glass
Which surveying instrument is primarily used for measuring angles in both horizontal and vertical planes?
Ranging pole
Measuring tape
Hunter's chain
Theodolite
Which surveying tool is used to prevent disputes over land boundaries and provide reference points for future surveys?
Measuring tape
Total station
Survey peg
Ranging pole
Explain how a theodolite differs from a total station in surveying.
A theodolite measures angles in horizontal and vertical planes with high accuracy.
A total station does the same but also includes electronic distance measurement (EDM) technology to measure distances, making it more versatile.
What are the key advantages of using a measuring tape in land surveying?
Measuring tape is flexible and easy to handle.
It provides precise linear measurements for land boundaries and layouts.
It's cost-effective and doesn't require complex technology.
Describe the historical significance of the hunter's chain in land measurement and its limitations compared to modern surveying tools.
The hunter's chain was used in the past for land measurement.
Limitations include lower accuracy compared to modern tools and the need for manual counting of links.
How can surveyors ensure the accurate placement of survey pegs in the field, and why are they essential in land surveying?
Survey pegs are driven into the ground at surveyed points.
They ensure accurate marking of specific locations and prevent boundary disputes in land surveying.
In what ways have advancements in technology improved the efficiency and accuracy of modern surveying instruments like the total station?
Total stations now include electronic distance measurement (EDM) technology.
They offer direct data recording and improved accuracy, enhancing efficiency in surveying tasks.