Computer · Surveying
The relationship between curvature correction (Cc) and refraction correction (Cr) for levelling works is given as:
- 1Cr = 1/7 Cc✓
- 2Cr = 1/5 Cc
- 3Cr = 1/2 Cc
- 4Cr = 1/8 Cc
Correct answer
Cr = 1/7 Cc
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