Practice Unsolved Numerical Question (C) - EGNOS, Europe

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8 questions

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2 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
2 questions · about 1 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is EDM and how does it work?
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Think about how sound travels.
Question 2.
Why do we need to correct for the heights of instruments?
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Consider the physical positions of the EDM and the reflector.
3Question 3.
What does EDM stand for?
- Electronic Distance Measurement
- Electronic Dimension Measurement
- Extended Duration Measurement
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Think about the purpose of EDM.
4Question 4.
True or False: The vertical angle is not important when calculating horizontal distance.
- True
- False
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Reflect on the role of angles in trigonometry.
Question 5.
A surveyor measures a slope of 1000 m at a height of 3 m and has a vertical angle of 7°. Calculate the horizontal distance.
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Use a scientific calculator for trig functions.
Question 6.
If an EDM measures a distance of 500 m at a height of 1.5 m above ground, what is the horizontal distance when the vertical angle is 2°?
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First calculate the cosine, then adjust for height.

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