Practice Fly Levelling (1.15.6.c) - Measurement of Levels - Surveying and Geomatics

Practice: Fly levelling

Lesson 1.15.6.cMeasurement of Levels

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9 questions

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6 sample questions

Question 1.
Define what a benchmark is in surveying.
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Think about what we use as a standard reference in measurements.
Question 2.
What does a back sight reading represent?
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Remember the sequence in which we take readings.
3Question 3.
What is the purpose of fly levelling?
- To take readings from a fixed benchmark only.
- To connect survey sites to distant benchmarks.
- To establish permanent benchmarks.
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Reflect on the need for distant connections in surveying.
4Question 4.
True or False: Fly levelling needs to establish a temporary benchmark at the survey site.
- True
- False
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Think about what occurs at the survey site.
Question 5.
A surveyor is tasked with fly levelling a new area where no benchmarks exist nearby. Describe the steps they would follow from the beginning to establish temporary benchmarks.
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Think about each individual step taken and what readings indicate.
Question 6.
In a fly levelling operation, the surveyor measures elevations that seem inconsistent. What might cause these discrepancies, and how could they address them?
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Reflect on both equipment and technique as factors of accuracy.

5 more questions in this section. Enroll free to practise them all.