LEVELLING SURVEY - Practice Mode

1) What is the correction for curvature for a distance of 10km (Correction of curvature =0.0785D²)?

0.0785m 0.7850m 7.8500m 7.8700m

Correct Answer: 7.8500m

2) What is the correction for curvature for a distance of 800m (Correction of curvature=0.0785D²)?

0.5024m 0.05024m 1.5024m 1.05024m

Correct Answer: 0.05024m

3) What is the correction for refraction for a distance of 5km (Correction of refraction =0.0112D²)

1.28m 0.28m 0.028m 0.0028m

Correct Answer: 0.28m

4) What is the correction for refraction for a distance of 800meters (Correction for refraction =0.0112D²)

0.07168m 0.007168m 0.05024m 0.005024m

Correct Answer: 0.007168m

5) What is the combined correction for curvature and refraction for a distance of 5km (Combined correction for refraction and curvature is 0.0673D²)?

1.6825m 0.6825m 0.06825m 0.006825m

Correct Answer: 1.6825m

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