Practice Errors In Hydrographic Surveying (10.11) - Hydrographic Surveying

Practice: Errors in Hydrographic Surveying

Lesson 10.11Hydrographic Surveying

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9 questions

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4 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is meant by instrumental errors in hydrographic surveying?
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Think about how equipment affects measurements.
Question 2.
Name one factor that contributes to observational errors.
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Consider how nature affects survey results.
3Question 3.
What type of error results from improper calibration of survey instruments?
- A) Locational Errors
- B) Instrumental Errors
- C) Observational Errors
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Think about the equipment and its reliability.
4Question 4.
True or False: Observational errors can be influenced by weather conditions.
- True
- False
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Consider the impact of storms or clear skies on surveying.
Question 5.
You are conducting a hydrographic survey when you notice that your echo sounder has been showing consistently deeper readings. Discuss the possible causes and remedies.
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Think about what happens when equipment and nature don’t align.
Question 6.
During a tidal correction, you applied a local tide gauge reading that was off by an hour. Assess how this could impact your depth readings.
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Be mindful of timeliness in measurements and their application.

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