The 'corrections' applied to measured chain/tape lengths include all EXCEPT:
Choose the correct answer
Temperature correction for thermal expansion
Colour correction (no such correction exists in chain/tape surveying — this is a distractor)
Sag correction for tape hanging between supports
Slope correction to reduce inclined to horizontal
Correct Answer
B. Colour correction (no such correction exists in chain/tape surveying — this is a distractor)
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Tape corrections applied: (1) Temperature correction (thermal expansion); (2) Pull (tension) correction (elastic stretch above/below standard); (3) Sag correction (tape sags under gravity — reduces measured length); (4) Slope correction (measured along slope, reduce to horizontal). NOT applied: Colour correction (no such thing in surveying). All corrections may be + or − depending on field condition vs standard.
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