Computer · Surveying
Identify the INCORRECT statement with respect to the methods of booking and reducing the elevation of points by observed staff readings.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Addition of a foresight staff reading with the elevation of benchmarks provides the height of the instrument.✓
- 2'Sum of rise minus sum of fall' shall be equal to 'last reduced level minus first reduced level' to verify the calculations.
- 3The height of instrument method is more rapid, less tedious, and simpler when compared to the rise and fall method.
- 4The difference of level between consecutive points is found by comparing staff readings on the two points for the same setting of the instrument in the rise and fall method.
Correct answer
Addition of a foresight staff reading with the elevation of benchmarks provides the height of the instrument.
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