Computer · Surveying
Which of the following is a correct statement with reference to determining the reduced level (RL) of a point using the rise and fall method?
- 1If a staff reading (fore reading) is greater than that at the preceding point, then there is a fall; if smaller, there is a rise.✓
- 2If the reading of a preceding point is greater, then there is always a fall.
- 3If a staff reading (fore reading) is greater than that at the preceding point, then there is a rise.
- 4If a staff reading (fore reading) is smaller than that at the preceding point, then there is a fall; if greater, there is a rise.
Correct answer
If a staff reading (fore reading) is greater than that at the preceding point, then there is a fall; if smaller, there is a rise.
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