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5 cards from this section. Quick, good the night before a test.
What is the formula used in simple levelling?
Consider how we define a benchmark.
What type of levelling is used for far-off points?
Think about measurements taken at various stations.
What is the primary use of simple levelling?
Think about the closeness of the points involved.
True or False: Differential levelling can only be performed using one instrument setup.
Consider if long distances can be accurately measured from one spot.
A fly levelling process started with a benchmark at 99.500 m. Given BS readings of 1.050 m and FS readings of 2.850 m for the first point, calculate the RL.
Use the fly levelling technique to connect the readings.
In reciprocal levelling across a river, readings at point A provide a height of 10.500 m, while point B provides 10.350 m. How do you find the true difference in heights?
Consider both sets of readings when calculating.
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