Practice Principle Of Edm (3.2.1) - Modern Field Survey Systems

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10 questions

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6 sample questions

Question 1.
What is the primary measurement technique used by EDM?
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Think about the transmission and reflection of signals.
Question 2.
What device serves as the receiver for the EDM signal?
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This device is also known as the reflector.
3Question 3.
What does EDM primarily measure?
- Angles
- Distance
- Height
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Think about the main function of the instrument.
4Question 4.
True or False: The phase difference measurement method increases the ambiguity in measurements.
- True
- False
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Consider the purpose of phase measurement.
Question 5.
You are given n = 5 wavelengths, λ = 3 m, and p = 0.50 m. Calculate the total distance using the phase shift formula.
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Apply the formula step-by-step, ensuring you multiply, add, and halve correctly.
Question 6.
Discuss two sources of error in measuring distances using EDM, and suggest methods to minimize these errors.
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Consider external factors versus procedural issues.

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